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Ningxia Tongji International Trade Co.,Ltd.
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About Us
Ningxia Tongji International trade co., Ltd, is a comprehensive company, invol -ving everything from production to distribution. Our company mainly produce ferro silicon, silicon manganese and calcium carbide. We are the first major Private enterprise Owning the non-ferrous metals foreign trade authority, which has been approved by the Ningxia Autonomous Region Government. Our company has passed the ISO9001 quality management System Authentication. We have build up a customer base not in the ...
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（Mn
65%min
（Si
17%max
(C)
1.5%max
(P)
0.2%max ...
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Silicon Manganese :
Mn 65%min Si 17%max C 1.5%max P 0.2%max
Mainly used as the ...
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Company Name:
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