In Dec. 2007, Shenzhen Fast Chemical Co.,Ltd.(Jiangyin Haida Fine Chemical Plant) purchased the old factory “Shenzhen Fast Chemical Co.,Ltd.(Jiangyin Haida Fine Chemical Plant)”, and set up our new factory in Jiangsu province to produce Tartrate products. We are possessed of complete equipments,advanced technology, rich technical force and rather perfect testing instruments & technical standard. Our products are famous for its high quality, and have been sold to home and abroad market. We have won the credits and appreciations from numerous customers for our high quality products and good services.