The WENG'S GROUP NORTH AMERICA LLC owner is known worldwide for his trademarks. These brands are in demand in services such as For: Pipe fittings comprised primarily of plastic; Plastic conduit for irrigation; Building materials, namely, plastic pipe supports; Nonmetallic construction materials, namely, drain bases and grates; Plastic conduit for drainage; Plastic conduit for dra. You can contact WENG'S GROUP NORTH AMERICA LLC from anywhere in the world by phone or email, which you will find on our service. Trademarks presented to you have been re-registered at different times. Key Publication Dates - Oct. 31, 2016.