For Refrigerant R12 R134a, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our Refrigerant R12 R134a has been well received by many customers and enjoyed a good reputation in many countries. Ningbo Sanheng Refrigeration Control Co. Ltd Refrigerant R12 R134a have characteristic design & practical performance & competitive price, for more information on the Refrigerant R12 R134a, please feel free to contact us.