Changsha Zhonglian Pump Industry Co., Ltd. was founded in 1989. The company is a national high-tech enterprise with an annual sales revenue of over 100 million yuan, integrating research and development, production, marketing, and service. Its headquarters is located in Changsha, a historical and cultural city in Hunan Province, China. The new factory is located in Pingxiang National High tech Development Zone, with a superior geographical location and convenient transportation. The factory is 500m away from the highway exit and within a 30 minute drive from Changsha city center, Pingxiang high-speed railway station, and Changsha airport. The new factory covers an area of 50000 square meters. The company currently has more than 200 employees, including 52 middle and senior professional and technical talents in hydraulic machinery, casting and smelting, mechanical processing, heat treatment, and other fields. A professional and sound production technology company has strong strength, complete equipment, high-frequency quenching, multifunctional heat treatment, and casting capabilities. After treatment, the impeller, shaft, sealing ring, guide vane, and core balance devices have a service life that is generally more than 6 times that of the product. The professional and sound technology enables the product to have a service and maintenance cycle far exceeding user expectations, generating huge economic benefits for users. We can now manufacture 26 series of products, including large power plant circulation pumps, large power plant condensate pumps, petrochemical pumps, multi-stage pumps, sewage pumps, mud pumps, self balancing multi-stage pumps, single-stage double suction split pumps, single-stage single suction centrifugal pumps, etc. The main products include multi-stage pumps, single-stage centrifugal pumps, oil pumps, horizontal multi-stage pumps, self balancing multi-stage pumps, chemical pumps, etc. Strong production and manufacturing capabilities include mold workshop, casting workshop, large pump processing workshop, small and medium-sized pump processing workshop, assembly workshop, and preparation workshop, covering an area of 40000 square meters. The company has 200 sets of processing equipment such as turning, milling, grinding, drilling, and twisting, including a wellhead processing center and a CNC porous drilling machine for professional casting quality. Innovation and value creation to solve user problems and core technology innovation are the company's key development strategies. Zhonglian Pump Industry has established a new product research and development center and CAD/CAE design system with independent development, design, and research capabilities for water pumps. For many years, it has adhered to the path of combining traditional and new product development, and vigorously promoted its brand strategy. The company has long-term cooperation with research institutes such as Shenyang Pump Research Institute, Changsha University of Science and Technology, and Huazhong University of Science and Technology. It has developed dozens of national patented products, including a full range and multiple specifications of multi-stage pumps and chemical pumps. It has also become a research and development unit for the national high-efficiency centrifugal pump project and a drafting unit for the national standard "Evaluation Method for Energy saving Pump Stations". The company has a 100% factory qualification rate and possesses a 500/200kg microcomputer dynamic balancing machine, as well as a testing station authorized by the Hunan Provincial Quality and Technical Supervision Bureau, a 1200kw/10kv testing station, and a large-scale dynamic balancing machine; Ensuring a 100% installation and debugging qualification rate, our company's products have been widely praised by users for their smooth operation, reliable quality, and thoughtful service over the years. Zhonglian Pump Industry has successively won titles such as "China Influential Brand Enterprise", "Hunan High tech Enterprise", "Hunan Famous Enterprise", "Hunan Province Contract Abiding Unit", etc. It is now one of the designated companies in the national petrochemical industry and a national mining product safety mark certification enterprise. The company's mining centrifugal pump has passed the national coal safety certification and has obtained dozens of certifications and membership qualifications from various industries and institutions such as coal mines, electricity, chemical industry, and non media non-ferrous mines. The company has successively obtained titles such as "Hunan High tech Enterprise" and "Southern Province Famous Trademark", and has been rated as a "well-known enterprise" and "contract abiding unit" by the provincial industry and commerce department. It has been awarded the enterprise by the Ministry of Construction and promoted as a "building energy-saving series product" by the Ministry of Construction. Project Unit "," Quality First Reputation Enterprise ", The company has purchased a 1000W product quality assurance test for users at Tianan Insurance Co., Ltd. Hunan Branch in China, and has taken the lead in the industry in obtaining ISO9001 quality system, ISO14001 environmental management system certification, and GB/28001 occupational health and safety management system certification, as well as a national industrial production license. The company's patent number is as follows: Utility model patent certificate: ZL 2019 2 0910720.X， Practical New Patent Certificate: ZL 2018 2 1297269.0, Practical New Patent Certificate: ZL 2018 2 1307210.5, Practical New Patent Certificate: ZL 2019 2 0452265.3, etc.