Customized Large-Scale Heavy-Duty Steel Compression Coil Springs Precision-Engineered for Automotive Use

Customized Large-Scale Heavy-Duty Steel Compression Coil Springs Precision-Engineered for Automotive Use. Comprehensive Customization: Full customization, minor customization, and flexible options from samples or designs available. Wide Material Selection: Carbon steel, stainless steel, beryllium copper, brass, and alloy steel options available. Extensive Surface Treatments: Zinc plating, nickel plating, black oxide, chrome plating, and power coating options available. ISO9001 Certified Quality: ISO9001 certified since 2000 ensuring high product quality and stability. 100% Finished Product Inspection: All finished products undergo 100% visual inspection with uniform instructions. Advanced Testing Capabilities: Complete testing equipment covering hardness, pressure, and fatigue testing. OEM and ODM Services: OEM and ODM services available for custom manufacturing needs. Flexible Packaging Options: Inner PE/PP bags, outer cartons, pallets, wooden crates, and trays available.