Zihuoli Manufacturers Black Metal Carbon Steel Stainless Steel Spring Spiral Coil Small Extension Tension Spring

Zihuoli Manufacturers Black Metal Carbon Steel Stainless Steel Spring Spiral Coil Small Extension Tension Spring. Customized Surface Treatment: Surface treatment is fully customized to meet specific requirements. Wide Material Selection: Available in Stainless steel, Carbon steel, music wire, Beryllium copper, Brass, and Alloy steel. Comprehensive Testing: 100% inspection including visual, function, hardness, torsion, and salt spray tests. Free Sample Availability: Free samples are available for customers to evaluate product quality. High Production Capacity: Weekly supply capacity ranges from 7 million to 9 million pieces. ODM Service Available: Full customization from samples, designs, or customer ideas is supported. Versatile Application: Suitable for cars, machinery, home appliances, medical equipment, and toys. Flexible MOQ: Minimum Order Quantity is as low as 1 piece.