CHENGXIN INTERNATIONAL (HK) LIMITED specializes in exporting non-standard screws, CNC parts, stamping parts, and related hardware fittings. Our factories located in Shenzhen and Dongguan China. Shenzhen Tung Shing Screw Hardware Products Co., Ltd. was established in 1993 in Shenzhen, Guangdong Province, which has obtained ISO9001-2015 management systems certification in 2009. Tung Shing Screw is specialized in making different types of screws for over 30years. Our partner factory Xinqunfeng hardware Co., Ltd is specialized in CNC parts and stamping parts also has more than 30years experience in hardware production. We supply to a wide range of Large Corporations as well as SMEs in America, Europe, Australia and China. Details...