Nanjing Lanao Environmental Protection Equipment Co., Ltd. specializes in the production of low-speed thrusters, hyperbolic mixers, sludge return pumps, submersible mixers, deep well fire pumps, gantry sand suction machines, submersible mixed flow pumps, grid cleaning machines, suction machines, mud scrapers, Y series motors, YLB series long shaft deep well pump motors, YQS well pump submersible motors, RJC series long shaft deep well pumps, QJC series well submersible 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 hyperbolic mixers, QJB-W type sludge return pumps, GSHP type grid cleaning machines. WLS type screw conveyor, LSSF sand water separator, submersible aerator, cast iron gate, scraper suction mud machine and other pumps and environmental protection equipment, as well as sewage treatment equipment. The company currently has 220 employees, including 8 senior engineers, 15 professional and technical personnel, and over 50 management personnel. The company adopts advanced technology and process equipment at home and abroad, pays attention to the quality of products both inside and outside, and has reliable product quality, stable performance, complete varieties, and timely delivery, winning the trust and praise of users across the country. The company's quality policy is: customer satisfaction is our success. For this reason, we have always regarded quality as the foundation of enterprise management, and have driven the improvement of product quality with good work quality. Based on the above quality policy and objectives, our company has passed the ISO9001 quality system certification. We have established a quality system document based on the GB/T9002-ISO9001 quality assurance model, with a focus on improving the quality system and a key focus on enhancing product quality. This is the fundamental basis and guideline for our company's quality activities. Establish a Quality Management Office as the centralized department for quality management throughout the company, under the leadership of management representatives, to organize the daily management of the quality system. Establish a quality inspection department with 18 professional personnel engaged in quality inspection. To ensure product quality, the first step is to strengthen the review of bidding documents and contracts, with a focus on examining product technical performance to ensure the provision of pump products that meet regulatory requirements. In terms of design, our company has developed the "Design and Development Plan Control Procedure", "Design Control Procedure", "Design Review and Verification Procedure", and "Design Change Procedure". The technical department follows these control procedures to carry out design according to the contract and meet customer requirements. During the processing, strengthen the system of initial inspection, patrol inspection, and final inspection, focus on the inspection of incoming goods, process inspection, and final inspection, strictly control the production of non-conforming products, ensure that non-conforming raw materials do not enter the factory, non-conforming semi-finished products do not flow into the next process, and non-conforming products do not leave the factory. In terms of after-sales service, timely provision of usage and maintenance instructions, free installation and debugging provided to customers according to contract provisions, establishment and improvement of after-sales service network, collection of user feedback, and provision of necessary information for product use and improvement to customers.