Qinhuangdao Yizhonglong Fine Chemical Co., Ltd., is a China based proessional manufacturer and exporter of the basic chemical raw materials. Our main products include Rubber Chemical, Pigment/Dyestuff, Acid and others. We have a professional team with years of experience in chemical. We have exported our products to many countries based on high qulity and competitive ***** you are interested, pls contact.Nancy Email nancy at yzlchem dot com