Guangdong Dongguan Dalang Heights Spring Hardware Products Factory specializes in producing wholesale supply of precision springs, shaped springs, electronic shaped springs, appliances shaped springs, metal shaped springs, toys shaped springs, mechanical shaped springs, shaped spring washer, printers shaped springs, China Xuan spring production plant is a giant spring behind specialists. Heights manufacturer of springs, spring manufacturers use materials: stainless steel wire, iron wire, carbon steel wire, piano wire, copper wire. Heights spring surface treatment: plating, painting, heat treatment. Heights springs are widely used: metal, electronics, toys, plastic, electronic communications, office equipment and stationery, luggage, clothing, footwear, household items, jewelry, supermarkets, machinery, molds, gifts, switches, buttons, car , motorcycles, aircraft, ships, and other fitness equipment. Lord Heights since map processing, sample processing, springs and metal products, to be ordered in the spring, please provide detailed drawings or samples, drawings must have size, length, number of turns, diameter, diameter, diameter, free length , the total length, height, material and requirements.