Nanjing Ningzheng Environmental Protection Equipment Co., Ltd. is a professional manufacturer and processor of submersible mixers, low-speed propellers, bi-surface mixers, submersible aeration machines, mechanical grilles, and wastewater treatment equipment, boasting a complete and scientific quality management system. Our main products currently include: Mixing and Mixing Series: QJB submersible mixer, bi-surface mixer, QJB-W sludge return pump, paddle (box) mixer, dosing mixer. Submersible Aeration Series: Jet aeration machine, centrifugal aeration machine, vertical surface aeration machine, buoyant paddle aeration machine, deep water aeration machine. Trash Rake and Conveying Series: Mechanical grille, shaftless spiral conveyor, spiral press, sand removal from sedimentation pond machine, sand-water separator. Sludge Rake and Suction Series: Full bridge, half bridge, peripheral transmission, central transmission, traveling, siphon suction rakes, skimmers, gates, and buried-type wastewater treatment equipment. Submersible Pump Series: AS, AV, WQ, AF type submersible污水 pump, ZQB, HQB type submersible shaft, mixed-flow pump. With our excellent service, strict management, advanced production technology, superior quality, and comprehensive pre-sales and after-sales service, we have gained recognition in the industry. Welcome friends from all walks of life to visit, guide, and engage in business negotiations at Nanjing Ningzheng Environmental Protection Equipment Co., Ltd.