SHANGHAI ZHONGHAN DOOCH PUMP MFG CO.,LTD.'s profile

Duco is a high-tech enterprise specializing in the full water industry chain, integrating research and development, manufacturing, services, and trade. Its business scope includes water pumps and complete water supply and drainage systems, digital integrated circuits for water systems, water purification and treatment solutions, intelligent water management systems, engineering operation and maintenance, and international water industry trade, making it a leading system solution provider in China’s water sector.
The company has established a coordinated industrial structure with multiple subsidiaries in China and abroad, including Shanghai Zhonghan Duco Pump Industry, Huzhou Duco Pump Industry, Shanghai Duco Water Saving, Duco Haobo Trading, Duco Airedi Water Technology, and Duco Korea Co., Ltd., all headquartered in Shanghai. The Korean subsidiary serves as a key overseas base, supporting production, sales, global trade, and integrated circuit R&D, enabling strong global-local synergy.
Duco emphasizes independent innovation and has built a strong research system with over 300 core intellectual property rights, including more than 30 invention patents. It was recognized as one of the first “Specialized, Refined, and Innovative” Little Giant Enterprises by China’s Ministry of Industry and Information Technology in 2019 and continues to hold this recognition. Its core products are included in national energy-saving and procurement catalogs and have obtained authoritative certifications.
As a standard-setting leader in the industry, Duco has participated in drafting or revising over 40 technical standards and is the chief editor of the national standard GB/T 37892. Its digital integrated variable frequency control technology has been widely adopted in provincial and municipal standards. The company has also undertaken multiple national research projects and contributes to the integration of industry, academia, and research. Its products are exported across five continents and it is recognized as a leading export enterprise.
Guided by a green and sustainable development strategy, Duco continues to advance energy-saving and water-saving technologies, promoting smart water management and low-carbon solutions, aiming to be a trusted global partner in the water industry and contribute to high-quality development worldwide.