Yu Juhua

Pipeline connection replacer

Noise reduction and buffer structure of plastic drainage pipeline

Polypropylene mute drainpipe fitting provided with double buckle type threaded connection head

Corrosion-resistant durable plastic inspection well

Reducing silencing elbow pipe fitting

Pipe fitting special for single vertical pipe of left-four-way polypropylene noiseless drainage pipeline system

Special pipe fitting for single vertical pipe of right four-way polypropylene mute drainage pipeline system

Pipe fitting for three-way polypropylene silencing drainage pipeline system single stand pipe

Movable joint component

Pipeline socket type rapid connecting piece