Jiashan Zhongsheng Metal Products Co., Ltd
is One of the Leading Metal Products manufactory in china, Being this field over 6 years,with monthly output 3000 tons.
we make DIN,BSW,ASTM standard,the length can be from 55mm to 4m,the surface treatment can be plain,zinc plated,hot dip galvanizing,etc.
We also making flat washer,USS,SAE,DIN125A,9021.ETC,and our developed our new products expension bolt.
We have been successfully Exported to...
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