Qinhuangdao Huanji Chemical Co.,Ltd，professionally engaged in the business of researching, producing and exporting the basic Inorganic and Organic Chemical products，which are used in dye, leather, additives, and feedstuff additives，etc. All our products are sold in competitive price with excellent quality. Meanwhile Sample is free. We are sure our good services and promptly delivery will make you satisfied. B/Rgds David