SUN CHEN FASTENERS INC.,
SUN CHEN FASTENERS INC.,
HARVILLE FASTENERS LTD.
HARVILLE FASTENERS LTD.
YI HUNG WASHER CO., LTD. 
YI HUNG WASHER CO., LTD. 
TANG AN ENTERPRISE CO., LTD.
TANG AN ENTERPRISE CO., LTD.
TONG HWEI ENTERPRISE CO., LTD. 
TONG HWEI ENTERPRISE CO., LTD.