The factory introduced foreign manufacturing equipment and testing equipment to build an automated production line of international level. It produces various types of bottle products such as tinplate stretch tanks, welded tanks, refrigerant valve caps, refrigerant-filled gas tanks, etc. There are various specifications of products such as 300g/340g/500g/1000g, and the products have passed * and strict appraisal by relevant provincial departments , The quality reaches the international level.