Dongguan Xinbo Hardware Products Co., Ltd. is a company which has nearly 10 years of experience in hardware production. The company and the factory operate together, mainly engaged in the production and export of cpmpression spring, tension spring, torsion spring,wire form and a variety of standard coil springs etc.Our production and QC team can effectively produce products that meet all regions and national standards according to the requirements of customers. Our customers are mainly from Toys, electronic products, vehicle, battery, bags a...