United Materials LTD., founded in 2002, is a private enterprise specialized in the manufacture and sales of chemical products. Approved by FAMI-QS of the EU in Aug. 2007, we have our own manufactories for zinc sulfate, manganese sulphate and sodium metabisulfite. Meanwhile, we have reliable domestic suppliers, providing us with various high-quality chemicals, like copper(II) sulfate, lead(II) nitrate, magnesium sulfate, barium carbonate,...
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