Hangzhou Leadhua Refrigeration Technology Co., Ltd is the professional manufacturer and supplier of refrigerant gas in China since 2014, with the export and import license issued by the government. Mainly produces refrigerant gas R22,R134a, R404a, R407c, R410a, R452a, R507, R141b, R142b, R600a, R290, R415b, R32, R23，R1234yf and etc. Products are sold nationwide and exported to overseas countries. The company’s headquarters is located in Hangzhou, Zhejiang Province, China, known as the “paradise on earth”. It is the political, economic, cultural and financial center of Zhejiang Province.