CHIH FU MECHANICS CO., LTD. 
CHIH FU MECHANICS CO., LTD. 
DE HUI Screw Industry Co., Ltd
DE HUI Screw Industry Co., Ltd
PRINCE FASTENER (NANTONG) MANUFACTURING CO., LTD.
PRINCE FASTENER (NANTONG) MANUFACTURING CO., LTD.
LOCKSURE INC. 
LOCKSURE INC. 
DIING SEN FASTENERS INDUSTRIAL CO., LTD. (LIH LIN)
DIING SEN FASTENERS INDUSTRIAL CO., LTD. (LIH LIN)