1. Pipe fittings for connecting pipes include: flanges, unions, clamps, couplings, sleeve nuts, and collars, etc.

2. Pipe fittings for changing direction: elbows, bends

3. Fittings for changing pipe diameter: Reducing ( reducers), Reducing Elbows, Branch Tee, Reinforcing Pipe

4. Increase pipeline branching fittings: tees, fours.

5. Pipe fittings for sealing purposes: gaskets, plumber's tape, hemp rope, flange blind plates, pipe caps, blind flanges, covers, and welding plugs

6. Pipeline fixing fittings: clamps, tow hooks, lifting rings, brackets, supports, pipe clips, etc.