Nanyang road, Zhengzhou, Henan, China,450005
Henan Premtec is an international corporation, professional exporting materials and technical xxxxx sales range covering chemicals,ceramic wares,machines,electric products serve to customers worldwide. With annual turnover of USD10 million, the ...
titanium dioxide, zinc oxide, oxalic acid, formic acid, lithophone,sodium hexametaphosphate,carboxyl methyl cellulose ,pentaerythritol ,aluminum sulphate ,polyaluminium chloride and other chemicals