First, there is a raw material. We choose the best iron as the original material. We draw the iron wire rod to the exact size to make it easier to press.
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CHANGZHOU STW INDUSTRIAL CO., LTD.213164About UsNo.202,Yangjia tou, Nanzhai, Xueyan town, Wujin, Changzhou, China 213178, Changzhou, JiangsuMore than 30 years experience and specialized in balls in various materialsCHANGZHOU STW INDUSTRIAL CO., LTD.213164About UsNo.202,Yangjia tou, Nanzhai, Xueyan town, Wujin, Changzhou, China 213178, Changzhou, JiangsuMore than 30 years experience and specialized in balls in various materialsCHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL CO., LTD.CHANGZHOU STW INDUSTRIAL