Welcome to visit sanmenxia liyuan environmental engineering equipment limited company's official website!
Patent achievements
A hydraulic transmission suspended underwater thruster ZL 2019 20531795.7
A suspended aeration machine ZL 2016 1 0901484.6
A suspended underwater propeller aerator ZL2016 2113777.8
A new type of water quality ultraviolet sterilizer ZL201820234739.2
An automatic sorting, dewatering, and collection device for household waste ZL 2019 2 1141101.5
A type of hollow drill rod excavator ZL201921298646.7
A type of hollow drill rod excavator ZL 2019 2 1298646.7
A rotatable suspended mixer suspension frame ZL 2019 20741812.X
A rotary mechanical grid ZL2016 2 0418073.7
An automatic sorting, dewatering, and collection device for household waste ZL 2019 1 0657175.2
A telescopic drill rod and a cleaning device for the telescopic drill rod ZL 2019 1 0824656.8
A type of hollow drill rod excavator ZL 2019 10739765.X