Copper Fitting - The outside of the copper tube is connected to the inside of the ring by crimping
1. Copper joints do not require cutting threads or brazing.
2. Only need to tighten the hollow nut of the copper joint to connect.
3. Copper joints do not require special tools, fire, adhesives, etc.
4. It is easy to disassemble and reinstall after use, which is convenient for storage, inspection and piping.