Qinyang Wise Chemical Co., Ltd is a professional manufacturing enterprise of sodium hydrosulfide with rich experience for years.
Taking advantage of the powerful technical force, modern production equipment, excellent technical testing methods as well as the strict production monitoring system, quality and performance of our products have got general consent of the users both at home and abroad. Our co***ny has more than 10 production lines, the annual output of sodium hydrosulfide reaches 50,000 Met...
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