Shenzhen Changlong Technology Co., Ltd

Chang Long Technology (HK) Co., Ltd is one of the largest environmentally friendly effluent treatment chemical manufacturer and wholesale enterprise in Southern part of China. The main products covers Ferrous Sulphate Heptahydrate, Ferrous Sulphate Monohydrate, Aluminum Sulfate, Hydrated and Quick Lime, Polymeric Ferric Sulfate, PAC, PAM and so on .Chemicals like ferrous Sulphate are very polular, which have already dominated more than *0% of the market in south China for its competitive price and excellent quality.Except used for water treatment , ferrous sulphate also can be used as fertilizer , feed additive, moss killer, and industrial raw material etc, Every month, we manufacture and sell about ****0 metric ton of Ferrous Sulfate and more than ***0 metric tons of PFS and ***0 metric tons of hydrated lime . Our company have also passed the Quality control System of ISO***1:***8 which has been executed strictly in practical. With years passing by, we have won a good reputation of the quality, continuous availability of products and good price from customers both at home and abroad.