Dongguan ChangKai(Huamao) Precision was founded in 1978 in Taiwan. The product line started in nut and standoff manufacturing. The company currently owns 2 factories in China. Our plant is located at Dongguan and Kun Shan in China, and has been specialized in the turning production of precision screws, hardware parts and connectors. Taking up an area of 10000-square-meter (about 215, 000-square-foot) land and equipped with the most advanced precision production facilities, ChangKai provides high quality products and omni-phased technical services. DGI Core(HK) Enterprise Co., Ltd was set up in HK to the products are shipped to all over China, Europe, America and other countries. Following more than 20 years managerial philosophy.