changzhou chengxin metal product co.,ltd is located at east suburb of changzhou,closing to state road no.312,we mainly produce precision hydraulic cold-drawn tube with annual output 16000tons,and high precision drawn deburring high freq .
our producets are widely used for the transmission conveying roller tube and other field used tubes in engineeringmachinery and hydraulic,pneumatic cylinder ,peroleum pumping cylinder ,electromotion tool tube,autocar driving shaft,textile printing dyeing and glass outsi...
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