Product Advantages: This product is formulated using imported synthetic base oil with a high viscosity index ester and compounded additives. It is a high-quality diesel engine oil specifically designed for high-speed turbocharged engines, providing robust power support for heavy-duty, continuously operating engines and fully meeting the stringent Euro IV emission standards. Performance Features: Excellent high-temperature oil film strength enhances engine power output, maintains stable oil pressure over time, and extends engine service life. Effectively controls deposit formation in the valve and piston areas, reduces fuel consumption, exhibits outstanding antioxidant stability and detergency-dispersancy, thereby extending oil change intervals. Provides effective protection for exhaust gas recirculation (EGR) systems, ensuring lubrication and protection for diesel engines that meet Euro IV and Euro V emission requirements. Applications: Suitable for lubricating diesel engines that comply with Euro IV and Euro V emission standards and are equipped with exhaust gas recirculation systems (EGR). Also ideal for lubricating high-horsepower, heavy-duty diesel engines as well as luxury high-speed buses and heavy-duty construction machinery. Technical Specifications: API CH-4 (American Petroleum Institute), MB 229.1 (Mercedes-Benz), ACEA E6/B4 (European Automobile Manufacturers’ Association), MAN 271 (MAN), Mack EO-M Plus, Cummins, VOLVO VDS-3 (Volvo), STERY A-201 (Steyr). Test Item / Item Standard Requirement / Standard Analytical Result / Results Test Method / Method Kinematic Viscosity (40℃), mm²/s Report 185.93 GB/T 265 Kinematic Viscosity (100℃), mm²/s 16.3–21.9 20.36 GB/T 265 Viscosity Index Report 128 GB/T 1995 Flash Point (Open Cup), ℃ ≥215 240 GB/T 3536 Pour Point, ℃ ≤-20 -27 GB/T 3535 Low-Temperature Dynamic Viscosity / (mPa·s) (-15°C) ≤9500 8054 GB/T 6538 Water Content, Trace-Free No GB/T 260 Mechanical Impurities, % ≤0.01 No GB/T 511 Foam Formation, mL/mL GB/T 12579 24℃ ≤10/0 10/0 93.5℃ ≤20/0 5/0 After 24℃ ≤10/0 10/0

Product Advantages: This product is formulated with imported high-viscosity-index ester synthetic base oil and a composite additive package, providing power support for ultra-heavy-duty engines operating continuously. It is suitable for Euro IV and Euro V engines. Performance Features: High-quality heavy-duty ester synthetic lubricant that enhances oil film strength, maintains stable oil pressure over time, and ensures smooth and responsive engine performance. It boasts excellent acid-neutralizing capability, extending oil-change intervals and saving fuel. Effectively controls corrosion and wear caused by engine sludge and high-temperature deposits. Particularly well-suited for providing superior protection to heavy-duty, high-horsepower turbocharged diesel engines. Applications: New high-horsepower, heavy-duty, high-compression diesel engines (high-speed, turbocharged, or naturally aspirated). Suitable for lubricating large, heavy-duty container tractors, heavy-duty construction machinery, and other diesel engines equipped with exhaust gas recirculation (EGR) systems and diesel particulate filters (DPF), meeting stringent environmental emission standards. Technical Specifications: API CI-4 (American Petroleum Institute), ACEA E7-12/B5 (European Automobile Manufacturers’ Association), MB Approval 228.3 (Mercedes-Benz), MAN 3275 (MAN), Mack VDS-3 (Mack), Cummins ECF-1-a/Cummins ECF-2 (Cummins), Steyr A-201 (Steyr), Deutz DQC II-05 (Deutz). Inspection Items / Item Standard Requirements / Standard Analysis Results / Results Test Methods / Method Kinematic Viscosity (40℃), mm²/s —— 182.38 GB/T 265 Kinematic Viscosity (100℃), mm²/s —— 16.3–21.9 20.2 GB/T 265 Viscosity Index —— 129 GB/T 1995 Flash Point (Open Cup), ℃ —— ≥215 244 GB/T 3536 Pour Point, ℃ —— ≤-20 -24 GB/T 3535 Low-Temperature Dynamic Viscosity (mPa·s) (-15°C) —— ≤9500 8748 GB/T 6538 High-Temperature High-Shear Viscosity (150℃), (mPa·s) —— ≥3.7 5.01 SH/T 0703 Water Content —— Trace Trace GB/T 260 Mechanical Impurities, % —— ≤0.01 None GB/T 511 Foam Characteristics, mL/mL GB/T 12579 24℃ —— ≤10/05/09 3.5℃ —— ≤20/010/0 After 24℃ —— ≤10/05/0

Product Advantages: This product is formulated with imported, high-viscosity-index ester-based fully synthetic base oil and a composite additive package. It delivers all-around performance in a premium formulation, providing long-lasting protection that keeps your engine running like new even under heavy loads. It’s ideal for high-performance, heavy-duty trucks and engines meeting Euro V and Euro VI emission standards. Performance Features: High-quality, fully synthetic diesel engine oil based on esters, forming an instant protective film, maintaining stable oil pressure over time, and ensuring effortless handling. Specifically designed to meet the latest exhaust particulate emission standards, this oil offers exceptional protection for new low-emission engines using ULSD (Ultra-Low Sulfur Diesel). It complies with the requirements of engines equipped with EGR and DPF systems and provides superior lubrication and protection even under the harshest operating conditions. Applications: Suitable for ultra-heavy-duty, high-compression diesel engines, including those equipped with Exhaust Gas Recirculation (EGR) systems and Diesel Particulate Filters (DPF), as well as for large, heavy-duty container tractors and heavy-duty construction machinery engines that meet stringent environmental emission standards. Recommended for use in both naturally aspirated and turbocharged diesel engines. Developed in accordance with the latest emission standards, it is particularly well-suited for off-road and construction vehicles, as well as for large commercial road transport vehicles—including those with newly electronically controlled engines. Technical Specifications: API C-4 (American Petroleum Institute), ACEA E9-12/B5 (European Automobile Manufacturers’ Association), MB-Approval 228.3 (Mercedes-Benz), MAN 3275 (MAN), Mack VDS-3 (Mack), Cummins ECF-1-a/Cummins ECF-2 (Cummins), Steyr A-201 (Steyr), Deutz DQC II-05 (Deutz), Caterpillar TO-2 (Caterpillar), MTU DDC Type-2 (Mercedes-Benz–Detroit Diesel Oil), Case MS 1121 (Case), DAF, Allison C-4 (Allison). Test Items / Item Standard Requirements / Standard Analysis Results / Results Experimental Methods / Method Kinematic Viscosity (40℃), mm²/s: Reported 104.17 GB/T265 Kinematic Viscosity (100℃), mm²/s: 12.5–16.3 → 15.46 GB/T265 Viscosity Index: 157 GB/T1995 Flash Point (Open Cup), ℃: ≥205 → 238 GB/T3536 Pour Point, ℃: ≤-30 → -36 GB/T3535 Low-Temperature Dynamic Viscosity (mPa·s) at -25°C: ≤7000 → 6583 GB/T6538 Water Content: Trace-free → No GB/T260 Mechanical Impurities, %: ≤0.01 → None GB/T511 Foam Formation, mL/mL GB/T12579: 24℃ ≤10/05/09; 3.5℃ ≤20/00/0; After 24℃ ≤10/05/0

■This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, and rust-inhibiting and anti-foaming agents. It exhibits excellent extreme-pressure performance, wear resistance and durability, rust and corrosion protection, thermal oxidation stability, and demulsibility. ■The product meets the quality standards of the American Petroleum Institute (API) GL-5 grade. ■It boasts outstanding extreme-pressure anti-wear properties, effectively preventing scoring and wear on gear tooth surfaces under severe conditions such as high-speed impacts and high torque, and demonstrates superior load-carrying capacity. ■Its exceptional thermal oxidation stability prevents the formation of sludge and deposits even under high temperatures and heavy loads, ensuring clean gear surfaces. Application Scope: This product is suitable for lubricating gear drives, drive axles, and transmissions in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impacts and heavy loads, as well as low-speed, high-torque applications, such as those found in railway locomotive gearboxes. Usage Instructions: ■Please replace the oil according to the mileage and oil-change intervals. ■Do not mix this product with oils from other brands, as this may affect its performance. Inspection Items / Item Standard Requirements / Results Test Method / Method Kinematic Viscosity (40℃), mm²/s _ 103.99 GB/T 265 Kinematic Viscosity (100℃), mm²/s 13.5–<18.5 15.3 GB/T 265 Viscosity Index Not Less Than Report 155 GB/T 2541 Flash Point (Open Cup), ℃ Not Less Than 170 234 GB/T 3536 Pour Point, ℃ Not Higher Than Report -30 GB/T 3535 Water Content Not More Than Trace None GB/T 260 Mechanical Impurities, % Not More Than 0.05 None GB/T 511 Foam Characteristics (Foam Tendency), mL/mL GB/T 12579 24℃ Not More Than 20 5/0 93.5℃ Not More Than 50 10/0 After 24℃ Not More Than 20 10/0

■This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, and rust-inhibiting and anti-foaming agents. It exhibits excellent extreme-pressure performance, wear resistance and durability, rust and corrosion protection, thermal oxidation stability, and demulsibility. ■The product meets the quality standards of the American Petroleum Institute (API) GL-5 grade. ■It boasts outstanding extreme-pressure anti-wear properties, effectively preventing scoring and wear on gear tooth surfaces under severe conditions such as high-speed impact and high torque, and demonstrates superior load-carrying capacity. ■It features exceptional thermal oxidation stability, which prevents sludge and deposit formation even under high temperatures and heavy loads, keeping gear surfaces clean. Application Scope: This lubricant is suitable for use in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impact loads, high-speed low torque, and low-speed high torque, such as gear-driven axles, drive shafts, and transmissions in railway locomotives. Usage Instructions: ■Please replace the oil according to the mileage and recommended oil-change intervals. ■Do not mix this oil with oils from other brands, as this may affect its performance. Inspection Items/Item Standard Requirements/Standard Analysis Results/Results Test Methods/Method Kinematic Viscosity (40℃), mm²/s_166.85 GB/T 265 Kinematic Viscosity (100℃), mm²/s13.5-18.517.98 GB/T 265 Viscosity Index Report119 GB/T 1995 Flash Point (Open Cup), ℃≥180230 GB/T 3536 Pour Point, ℃Report-24 GB/T 3535 Water ContentNo traceNo GB/T 260 Mechanical Impurities, %≤0.05No GB/T 511 Foam Characteristics, (Foam Tendency) mL/mL GB/T12579 24℃≤2059 3.5℃≤505 After 24℃≤2010

Product Performance: ■ This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, and rust-inhibiting and anti-foaming agents. It exhibits excellent extreme-pressure performance, wear resistance and durability, rust and corrosion protection, thermal oxidation stability, and demulsification properties. ■ The product meets the quality standards of the American Petroleum Institute (API) GL-5 grade. ■ It boasts outstanding extreme-pressure anti-wear performance, effectively preventing scuffing and wear on gear tooth surfaces under severe conditions such as high-speed impacts and high torque, and demonstrates superior load-carrying capacity. ■ Its remarkable thermal oxidation stability prevents the formation of sludge and deposits even under high temperatures and heavy loads, ensuring clean gear surfaces. Application Scope: This product is suitable for lubricating gear drives, drive axles, and transmissions in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impacts and heavy loads, as well as high-speed low-torque and low-speed high-torque applications, such as those found in railway locomotive gearboxes. Usage Instructions: ■ Please replace the oil according to the mileage and recommended oil-change intervals. ■ Do not mix this oil with oils from other brands, as this may affect its performance. Inspection Items / Item Standard Requirements / Results Test Method / Method Kinematic Viscosity (40℃), mm²/s _ 288.39 GB/T 265 Kinematic Viscosity (100℃), mm²/s 24–32.5 26.33 GB/T 265 Viscosity Index Report 119 GB/T 1995 Flash Point (Open Cup), ℃ ≥180 236 GB/T 3536 Pour Point, ℃ -15 GB/T 3535 Water Content No trace No GB/T 260 Mechanical Impurities, % ≤0.05 None GB/T 511 Foam Characteristics, (Foam Tendency) mL/mL GB/T 12579 24℃ ≤20 109 3.5℃ ≤50 5 After 24℃ ≤20 10

Product Performance: ■ This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, as well as rust-inhibiting and anti-foaming agents. It exhibits excellent extreme-pressure performance, wear resistance and durability, rust and corrosion prevention, thermal oxidation stability, and demulsibility. ■ The product meets the quality standards of the American Petroleum Institute (API) GL-5 specification. ■ It boasts outstanding extreme-pressure anti-wear properties, effectively preventing scoring and wear on gear tooth surfaces even under severe conditions such as high-speed impacts and high torque, and demonstrates superior load-carrying capacity. ■ It features exceptional thermal oxidation stability, which prevents the formation of sludge and deposits under high temperatures and heavy loads, thereby keeping gear surfaces clean. Application Scope: This product is suitable for lubricating gear drives, drive axles, and transmissions in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impact loads, high-speed low torque, and low-speed high torque, such as those found in railway locomotives. Usage Instructions: ■ Please replace the oil according to the mileage and recommended oil-change intervals. ■ Do not mix this oil with oils from other brands, as this may compromise its performance.

Product Performance: ■ This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, rust-inhibiting and anti-foaming agents. It exhibits excellent extreme-pressure performance, wear resistance and durability, rust and corrosion protection, thermal oxidation stability, and demulsibility. ■ The product meets the quality standards of the American Petroleum Institute (API) GL-5 specification. ■ It boasts outstanding extreme-pressure anti-wear properties, effectively preventing scuffing and wear on gear tooth surfaces under severe conditions such as high-speed impacts and high torque, and demonstrates superior load-carrying capacity. ■ It features exceptional thermal oxidation stability, which prevents the formation of sludge and deposits even under high temperatures and heavy loads, thereby keeping gear surfaces clean. Application Scope: This product is suitable for lubricating gear drives, drive axles, and transmissions in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impact loads, high-speed low torque, and low-speed high torque, such as those found in railway locomotives. Usage Instructions: ■ Please replace the oil according to the mileage and recommended oil-change intervals. ■ Do not mix this oil with oils from other brands, as doing so may compromise its performance.

Product Performance: ■ This product is formulated by blending hydrogenated base oil with a variety of functional additives, including extreme-pressure anti-wear agents, friction modifiers, antioxidant and anti-corrosion agents, rust-inhibiting and anti-foaming agents. It boasts excellent extreme-pressure performance, wear resistance and durability, rust and corrosion protection, thermal oxidation stability, and demulsification properties. ■ The product meets the quality standards specified by the American Petroleum Institute (API) GL-5 grade. ■ It exhibits outstanding extreme-pressure anti-wear performance, effectively preventing scuffing and wear on gear tooth surfaces under severe conditions such as high-speed impacts and high torque, and possesses exceptional load-carrying capacity. ■ It demonstrates remarkable thermal oxidation stability, preventing sludge and deposit formation even under high temperatures and heavy loads, thereby keeping gear surfaces clean. Application Scope: This product is suitable for lubricating gear drives, drive axles, and transmissions in various advanced passenger vehicles, heavy-duty trucks, and other vehicles—both imported and domestically produced—operating under conditions of high-speed impacts and heavy loads, as well as low-speed, high-torque applications. For example, it can be used in railway locomotive gear drives, drive axles, and transmissions. Usage Instructions: ■ Please replace the oil according to the mileage and recommended oil-change intervals. ■ Do not mix this product with oils from other brands, as this may compromise its performance.

Product Overview: CKD Heavy-Duty Industrial Closed-Drives Gear Oil is meticulously formulated using high-quality lubricant base oils combined with multi-functional composite additives and advanced blending technology. This product boasts exceptional extreme-pressure anti-wear performance, excellent thermal oxidation stability, and superior rust-prevention and anti-emulsification properties. The product is made from refined, high-grade base oils blended with imported composite additives. Its performance meets the standards of GB5903-2011 L-CKD, AGMA 250.04 EP, DIN 51517 (Ⅲ), and US Steel 224. Application Scope: This gear oil is suitable for lubricating heavy-duty, high-temperature, and impact-prone enclosed gear transmission systems in underground mining, cement plants, and metallurgical rolling mills, where the tooth surface contact stress exceeds 1100 MPa. Performance Features: · Outstanding extreme-pressure anti-wear performance effectively prevents tooth surface scoring, wear, and galling, ensuring smooth gear operation; · Excellent antioxidant and thermal stability properties prevent sludge and varnish deposits, extending the service life of the oil; · Superior rust-prevention and anti-emulsification capabilities effectively avoid corrosion and rust even when water enters the gear system; · Exceptional anti-foaming performance provides effective oil film protection, maintaining excellent lubrication and heat dissipation functions.

Product Overview: CKD Heavy-Duty Industrial Closed-Drive Gear Oil is meticulously formulated using high-quality lubricant base oils combined with multi-functional composite additives and advanced blending technology. This product boasts exceptional extreme-pressure anti-wear performance, excellent thermal oxidation stability, and superior rust-prevention and anti-emulsification properties. The product is made from refined, high-grade base oils blended with imported composite additives. Its performance meets the standards of GB5903-2011 L-CKD, AGMA 250.04 EP, DIN 51517 (Ⅲ), and US Steel 224. Application Scope: This gear oil is suitable for lubricating heavy-duty, high-temperature, and impact-prone enclosed gear transmission systems in underground mining, cement plants, and metallurgical rolling mills where the tooth surface contact stress exceeds 1100 MPa. Performance Features: · Excellent extreme-pressure anti-wear performance effectively prevents tooth surface scoring, wear, and galling, ensuring smooth gear operation; · Superior antioxidant and thermal stability properties prevent sludge and varnish deposits, extending the service life of the oil; · Outstanding rust prevention and anti-emulsification capabilities effectively avoid corrosion and rust even when water enters the gear system; · Exceptional anti-foaming performance provides effective oil film protection, maintaining excellent lubrication and heat dissipation functions. Test Items / Standard Requirements / Analysis Results / Test Methods Kinematic Viscosity (40℃), mm²/s: 135–165 / 153.23 / GB/T 265 Kinematic Viscosity (100℃), mm²/s: Reported / 15.61 / GB/T 265 Viscosity Index ≥ 90: 104 / GB/T 1995 Flash Point (Open Cup), ℃: ≥ 200 / 228 / GB/T 3536 Pour Point, ℃: ≤ -9 / -21 / GB/T 3535 Water Content: Trace-free / None / GB/T 260 Mechanical Impurities, %: ≤ 0.02 / None / GB/T 511 Foaming Characteristics (Foam Tendency), mL/mL: 24℃ ≤ 50/0 / 10/0 / 93.5℃ ≤ 50/0 / 5/0 / After 24℃ ≤ 50/0 / 10/0

Product Introduction: CKD Heavy-Duty Industrial Closed-System Gear Oil is meticulously formulated using high-quality lubricant base oils combined with multi-functional composite additives and advanced blending technology. This product boasts outstanding extreme-pressure anti-wear performance, excellent thermal oxidation stability, and superior rust-prevention and anti-emulsification properties. The product is made from refined, high-grade base oils blended with imported composite additives. Its performance meets the standards of GB5903-2011 L-CKD, AGMA 250.04 EP, DIN 51517 (Ⅲ), and US Steel 224. Application Scope: This oil is suitable for lubricating heavy-duty, high-temperature, and impact-prone closed gear systems in underground mining, cement plants, and metallurgical rolling mills where the tooth surface contact stress exceeds 1100 MPa. Performance Features: · Outstanding extreme-pressure anti-wear performance effectively prevents tooth surface scoring, wear, and galling, ensuring smooth gear operation. · Excellent antioxidant and thermal stability properties prevent sludge and varnish deposits, extending the oil’s service life. · Superior rust-prevention and anti-emulsification properties effectively avoid corrosion and rust even when water enters the gear system. · Exceptional anti-foaming performance provides effective oil film protection, maintaining excellent lubrication and heat dissipation capabilities. Test Items / Standard Requirements / Analysis Results / Test Methods Kinematic Viscosity (40℃), mm²/s: 198–242; Result: 226.66; Method: GB/T 265 Kinematic Viscosity (100℃), mm²/s: Reported as 28.06; Method: GB/T 265 Viscosity Index ≥ 90: 160; Method: GB/T 1995 Flash Point (Open Cup), ℃ ≥ 200: 240; Method: GB/T 3536 Pour Point, ℃ ≤ –9: –36; Method: GB/T 3535 Copper Strip Corrosion (100℃, 3h) / Grade ≤ 1: 1; Method: GB/T 5096 Water Content: No trace detected; Method: GB/T 260 Mechanical Impurities, % ≤ 0.02: None detected; Method: GB/T 511 Foaming Characteristics (Foam Tendency), mL/mL at 24℃ ≤ 50/05/0: 3.5℃ ≤ 50/00/0: After 24℃ ≤ 50/05/0