Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Tianjin, Tianjin, China. The reason Shenghaihengyuan Import & Export CO., LTD LLC (Limited Liability Corp) is listed among leading Black Iron Oxide Manufacturers and Exporters is the durability of oxialic acid, carbon black, iron oxide, formic acide,titanium dioxide, chromic acid, promised and delivered on every order. With years of experience and expertise in the Black Iron Oxide industry we are now able to drive annual revenue estimating around Approx 0.8 Million US Dollar owing to Canada,Germany,India,South Korea,United Kingdom export market share. Since our inception, back in 2012, we hold most satisfied consumer base which can be witnessed with our export ratio value of US$1 Million - US$2.5 Million with successful 8 Years of export history. Shenghaihengyuan Import & Export CO., LTD started off with US$50 Million - US$100 Million of initial capital under Own Lisence.