Hangzhou Grand Imp.& Exp. Co., Ltd. (Haiyan Jiamei Hardware)
ZDI SUPPLIES (HAIYAN) CO., LTD.
CHINFAST CO., LTD.
HSIN YU SCREW ENTERPRISE CO., LTD. (PETUAL)
HEBEI YUETONG FASTENERS MANUFACTURING CO., LTD. (YTFASTEN))
