CHENGXIN INTERNATIONAL (HK) LIMITED specializes in exporting non-standard screws, CNC parts, stamping parts, and related hardware fittings. Our factory Tung Shing Screw Manufacturing Co. was established in 1993 in Shenzhen, Guangdong Province. Chengxin International (hk) Limited is a proud to have obtained ISO9001-2008 management systems certification in 2009 and continue to develop our Operations in order to produce quality products for our customers. We supply to a wide range of Large Corporations as well as SMEs in America, Europe, Australia and China. Our products are used in eye glasses, clocks/watches, cameras, mobile phones, domestic electrical appliances, toys, decorative lighting, furniture, kitchen and many other household products