| Our different levels of products choose the high-qualitied medium carbon alloy steel and medium carbon steel,use advanced processing technology and produce following the national standard of GB/T3390.1-2004. our leading products is the double open end spanner,double off-set ring spanner,combination spanner,adjustable wrench,socket wrench,socket wrench etc. recently we developed electronic and pneumatic socket wrenches, heavy-duty and high-level, are made according to the American standard and have filled the gaps of our country. And the precision of our products has met and even exceeded the American ANSI standard and the international standard. |
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