
Continuous Extension Springs Custom Stainless Steel Tension Spring. Customizable Dimensions: Wire diameter ranges from 0.1mm to 20mm based on customer drawings. Wide Material Selection: Available in Carbon steel, Stainless steel, Music wire, Alloy steel, and Inconel. Diverse Surface Treatments: Options include Zinc plating, Nickel plating, Powder coating, and Rust-preventative oil. Low Minimum Order Quantity: Accepts orders starting from just 1 piece. Fast Sample Production: Samples are ready within 3 to 7 days after order confirmation. Global Shipping Options: Shipment available via sea, air, UPS, TNT, Fedex, and express delivery. ISO Quality Certified: Certified with ISO/TS16949-2002, ISO9001-2000, and ISO14000 standards. OEM/ODM Services: Full OEM and ODM manufacturing services accepted for custom requirements.