Shenzhen changlong technology co., ltd. is one of the largest professional Environmental Protection pharmaceutical production and sales enterprises, the main production covers ferrous sulfate(FeSO4.XH2O), aluminium sulfate, lime, aluminum polymer, the basic aluminum chloride, PFS, polyacrylamide. Monthly sales of 5, 000 tons of ferrous sulfate, more than 1, 000 tons of aluminum sulfate. To facilitate the delivery products to customers, in Guangzhou with we have several warehouse near port. We operated in good faith, cost-effective; quality service

Environmental technical persons have nearly 10, can provide customers with specific technical guidance to help customers optimize the sewage treatment process, environmental protection and optimization of pharmaceutical, waste utilization, environmental protection and management of on-site treatment facilities to reduce pollution treatment costs for clients.

"Lower cost, perfect effect" is our business philosophy ", striving to excel, dedication, happiness" is our spirit, .

Ferrous Sulphate Heptahydrate /Monohydrate .hydrated lime , quick lime .widely used for water treatment .we also can offer technical suggestion if you need