Gongyi Filter Industry Co., Ltd.

Poly aluminum ferric chloride implementation of what standards

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2017-12-07 13:36:39

But now many small factories have not reached the content of the national standard, especially Gongyi there, so the price is very dead to kill now, then I would like to recommend environmental protection in Hubei their home of PAC, PAC are direct Used to check the quality of the project is very strict standards in accordance with GB production