
Truck Engine Oil Pan Rear Oil Sump China Factory. 30 Years Manufacturing Experience: JinJiang has 30 years of technical knowledge in cold forming, press drawing, and stamping production. OEM and Customization Support: We are an OEM supplier offering customized raw materials, surface treatments, and production processes. Strict Quality Certification: Products are certified under TS16949 and ISO 9001 standards for automotive quality management. 100% Leak Testing: Every oil pan undergoes a 1.2 Bar, 30-second underwater leak test to ensure zero leakage. Advanced Simulation Technology: We use simulation software to prevent cracking and optimize blanking size, reducing development time and cost. High-Performance Material: Made from DC06 steel with elongation over 25%, ensuring superior deep drawing capabilities without breaking. Robust Surface Treatment: Electrophoresis or power coating provides rust protection, passing 480-hour salt spray tests in 5% salt environment. Flexible Capacity Range: Oil pans can reach up to 1800mm length, 800mm width, and 600mm height with thickness from 0.8mm to 4mm.