Nanjing LanAo Environmental Protection Equipment Co., Ltd. specializes in the production of low-speed propellers, double-curved mixers, sludge recycle pumps, submersible mixers, deep well fire pumps, gantry sand suction machines, submersible mixed flow pumps,格栅cleaning machines, sludge suction machines, scraper machines, Y series motors, YLB series long shaft deep well pump motors, YQS submersible well pump motors, RJC series long shaft deep well pumps, QJC series submersible well pumps and submersible sewage pumps, ZQB type submersible mixed flow pumps, GISO type horizontal pipeline centrifugal pumps, AF type submersible cutting pumps, QJB type submersible mixers, QDT type underwater thrusters, GSJ type double-curved mixers, QJB-W type sludge recycle pumps, GSHP type格栅cleaning machines, WLS type spiral conveyors, LSSF type sand-water separators, submersible aeration machines, cast iron sluice gates, scraper-suction machines, and various pumps, environmental protection equipment, and sewage treatment equipment. The company currently has 220 employees, including 8 senior engineers, 15 professional technicians, and over 50 managers of various types. The company adopts advanced technology and equipment from both home and abroad, pays attention to both internal and external product quality, ensuring reliable product quality, stable performance, a wide variety of products, and timely delivery, which has earned the trust and praise of a large number of customers across the nation.

Our quality philosophy is: Customer satisfaction is our success. To achieve this, we have always made quality the foundation of our enterprise management, driving the improvement of product quality through excellent work quality.

In accordance with the above quality policy and objectives, our company has passed the ISO9001 quality system certification. We have established a quality system documentation, focusing on perfecting the quality system and prioritizing product quality improvement, which serves as the fundamental basis and criterion for our quality activities. A Quality Management Office has been set up as the central department for the company's quality management, led by the Representative of Management, organizing the daily management of the quality system. A Quality Inspection Department has also been established, with 18 professionals dedicated to quality inspection.

To ensure product quality, we prioritize the review of proposals and contracts, focusing on the technical performance of products to guarantee compliance with specified requirements for pump products. In terms of design, our company has established the "Design Development Plan Control Procedure," "Design Control Procedure," "Design Review and Verification Procedure," and "Design Change Procedure." The technical department conducts designs based on these control procedures in accordance with contracts to meet customer needs. During the manufacturing process, we strengthen the first, routine, and final inspections, emphasizing incoming inspection, process inspection, and final inspection to strictly control the production of non-conforming products, ensuring that substandard raw materials do not enter the factory, non-conforming semi-finished products do not move to the next process, and non-conforming products do not leave the factory. In terms of after-sales service, we provide timely usage and maintenance instructions, offer free installation and debugging services to customers as per contract terms, establish and improve the after-sales service network, collect user feedback, and provide customers with necessary information regarding product usage and improvements.