Zhejiang Kingding Machinery Technology Co., Ltd., Chemical Department,was established in April 2011, located in the historic city of Quzhou, Zhejiang, close to the China Fluorine ---- Giant Group.We cooperate with the Outsourcing factories to research & development,manufacture and marketing refrigerant gas with all kinds of type and standard.Now we have developed the substitution of R134a and R22. The main products we supply: Fluorine Chemical ...