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 Refrigerants:T134a、T22、R134a、R22、R12、R410a、R407c、R40...