Customizable Dimensions: Outside diameter, free length, and spring index can be customized as required.
Diverse Material Options: Available in steel, stainless steel, or other customized materials.
Multiple Surface Finishes: Options include nickel, zinc, tin, chrome, and silver plating.
Versatile Wire Shapes: Coil, flat, rectangular, square, and triangular wire shapes available.
Fast Sample Delivery: Samples delivered within 3-7 days for testing purposes.
Mass Production Speed: Mass production completed within 10-15 days after payment.
Free Stock Samples: Free samples available from stock; customer pays shipping fee.
Sample Cost Refund: $100 development fee is refunded after mass production order.