ਲੁਓਯਾਂਗ ਕੈਮ ਐਨਰਜੀ ਟੈਕ ਕੰ., ਲਿ
PVC drainage pipe installation
ਪੀ.ਈ, PVC and PPR Pipes in Drainage and Sewage Systems (DWV)
In the plumbing system of modern buildings, the Drain, Waste, Vent system (DWV) is the core link to ensure the functionality and hygiene safety of the building. As experts in pipe production,…