We are buying and selling all type of Biomass waste and Rubber Tires scrap. Any other not in the category if you interest please don't hesitate to contact us. thank you.

Our main products: Ferrous Sulphate Heptahydrate , Monohydrate, Polymeric Ferric Sulfate, aluminum sulfate, Polyaluminum Chloride, Polyacrylamide, Flocculant, Retention Aid, Dewatering Agent, etc. Shenzhen Changlong Technology Co., Ltd is one of the ...