Established in 1970, Guangzhou Rainbow Metal Spring Co., Ltd. has expanded into 3 main factories with locations in Guangzhou and Dongguan with total floor space of 20,000 sq. meters and 800 skilled employees. Specifically, our main products are high precision compression, torsion and tension springs with wire diameters ranging from 0.02mm to 8mm. Meanwhile, we also manufacture high precision stampings up to thickness of 3.5mm. Other items like shafts, fasteners and screws are also producible. Our production base contains a wide variety of world-class manufacturing machines, self-invented machines, treatment and testing equipment such as 3D Co-ordinate Measuring and Surface Thickness Analysis, etc. Our products are widely used and applied in electronics, automobile parts, household items, toys, gifts and leisure equipment fields, etc., and we have established long-term business relationships with customers from around the world. We have been ...[More]ded certificates such as the ISO9001, ISO14001 and ISO/TS16949, assuring us to be one of the leading companies in this industry. Please feel free to visit our website at http://www.rainbow-spring.com.cn/ for more detailed information . Please do not hesitate to contact us if you have any enquiry or request for a quotation. Our staff and experienced technicians will be more than willing to assist you in a positive manner.