YUYAO AKF FASTENERS CO., LTD.
YUYAO AKF FASTENERS CO., LTD.
JIASHAN UNITED OASIS FASTENER CO., LTD.
JIASHAN UNITED OASIS FASTENER CO., LTD.
SHANGHAI DELON RIVET MANUFACTURE CO., LTD.
SHANGHAI DELON RIVET MANUFACTURE CO., LTD.
YUNG KING INDUSTRIES CO., LTD. 
YUNG KING INDUSTRIES CO., LTD. 
THREAD INDUSTRIAL CO., LTD. 
THREAD INDUSTRIAL CO., LTD.