Features:

1. High-strength connection: The connection is achieved by welding, which can provide solid and reliable connection strength.

2. Good sealing: The welding process can ensure that the joint has a good sealing, to prevent liquid or gas leakage.

3. High pressure and high temperature resistance: can withstand high pressure and temperature, suitable for more demanding working environment.

4. High stability: the welded connection is not easy to loosen, ensuring the stability of the system operation.