Spring plant in Dongguan, Guangdong Heights processing fitness equipment supply tension springs, tension springs chairs, car hook extension spring, electronic tension springs, tension springs hardware, toys, tension springs, spring plants to find Heights. 13 years of experience in the production of spring, owns advanced CNC universal spring machine, computer Spring Machine. Adjusting spring machine experienced technical staff for 10 years. Heights spring has produced good quality, fast delivery, and good service. Spring surface treatment: electroplating, painting, heat treatment, depending on customer requirements and the choice of different surface requirements. Spring Material: Stainless steel wire, piano wire, iron wire, carbon steel wire, copper wire, according to the customer's products are used in different places required for the performance of different materials are not the same choice. Customers need to order spring, please provide detailed drawings or samples, materials, surface treatment, requirements, we will report you to the most appropriate price.