Haiyan Hengxinyu Mould Co., Ltd. is professional China Non-standard alien series Manufacturers and Non-standard alien series Suppliers, As a pilot company specializing in the development of Non-standard alien series and punching fasteners.The company mainly produces daily standard JIS, American standard ANSI, German standard DIN, national standard GB, ISO common international standard specifications and various types of special specifications: H, triangle, quadrangular, hexagonal, plum-shaped BLOSSOM, etc., according to requirements Design and manufacture to solve customer's technical problems to meet the special needs of Non-Standard Alien Series.