Pingyuan zhongchen chemical is a middle-sized export-oriented enterprise. She has 4 work-shops, 10 producing line, fix assets more than 10 million, 80 employees among them 12 technical staff and complete waste water controlling system. She's mainly in the line of producing and developing dye and medical intermediates of naphthalene series. The key products are 1,5/1,6/2,6/2,7-naphthalene disulfonic acid sodium salt, L acid, 1-acetylamino-7-naphthol and so on. They抮e most used in dye, medicin...

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