
Hongsheng Customized Spring for Tape Measure Carbon Steel Constant Force Spring. Customized Size Options: Size is customized to meet specific client requirements. Wide Material Selection: Available in Spring steel, Stainless steel, Music wire, and various alloys. Multiple Surface Finishes: Options include Zinc, Nickel, Chrome, Tin, Silver, Copper, Gold, and E-coating. Fast Sample Delivery: Samples can be produced within 3-5 working days. Comprehensive Certifications: Assessed reports include ISO9001:2015, IATF16946:2016, BV, RoHS, and TUV. OEM Manufacturer: Established in 2004, specializing in springs and stamping parts. Global Export Experience: Exported to over 40 countries across North America, Europe, and Asia. Flexible Payment Terms: Accepts T/T, L/C, D/P, MoneyGram, and PayPal payments.