Henan Yinwang Trade Co., Ltd. is a newly rising company in Zhengzhou City, Henan Province. Our company is specialized in providing hydrochloric acid and super hard materials. Adhering to the motto of "build the business on mutual trust and benefit", we endeavor to provide our customers with reliable products, comprehensive service and rewarding return. The products we provide are colorful to satisfy your various needs. As for superhard materials, we can provide according to your requirements on specifications. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. .