????? ????
??? ?? ??? ?? ?? ?? ?? ??
- ?? ????: Hardware & Tools/Pipe Fittings/Reducer Fittings
- ?? ????:
- ???:
- ??:
??: ?? ??
β-pph, α-pph ??? ??
- ?? ????: Machinery & Equipment/Pipes & Fittings/Other Pipe Materials
- ?? ????:
- ???:
- ??:
??: ?? ??
FRPP ??? ?? ???
- ?? ????: Rubber & Plastics/Plastic Pipes/Other Plastic Pipes
- ?? ????:
- ???:
- ??:
??: ?? ??
PP ????? ????? ???
- ?? ????: Rubber & Plastics/General Purpose Plastics/PE (Polyethylene)
- ?? ????:
- ???:
- ??:
??: ?? ??
