A large air - conditioning enterprise in Shunde has a 5 - column aluminum heat exchanger for central air conditioners, and the welding qualification rate has always been lower than 60%.
The production cycle pass rate and welding speed of the welding process of the new - style copper heat exchanger small U straight - line flame brazing machine: The slowest welding speed for 4 rows of
Successfully developed potassium - cesium brazing flux paste according to customer needs. In April this year, we learned that a customer in Guangdong had a demand for potassium - cesium brazing flux p