Heavy Duty CH-4 15W-40 Diesel Engine Oil Bulk Wholesale

Heavy Duty CH-4 15W-40 Diesel Engine Oil Bulk Wholesale. ISO and Industry Certifications: Holds ISO9001, ISO14001, IATF16949, SP-EOLCS, and HSE certificates. OEM and ODM Customization: Full-process customization for oil color, viscosity, dropping point, and technical specs. High Production Capacity: Annual output exceeds 100,000 tons with 20+ automatic filling lines. Advanced R&D Center: Invested over 10 million RMB with 100+ testing devices and 20+ patents. Flexible Packaging Options: Standard 2L-200L barrels and customized packaging available upon request. Global Export Experience: Exported to over 20 countries with four overseas sales offices since 2020. High First-Pass Yield: Advanced DCS control system achieves a first-pass-yield rate above 95%. Robust Raw Material Reserve: 15,000-ton base-oil and 2,000-ton additive storage capacity.