The company, formerly known as Zhejiang University Chemical Machinery Factory, is a manufacturer dedicated to the research, development, and manufacturing of screw pumps, with a production history spanning several decades. By continually assimilating and introducing excellent domestic and international technologies, independently developing advanced production processes, and upgrading state-of-the-art production equipment, the company has achieved outstanding levels of performance and quality in its products, earning a solid reputation in the market and the trust of its customers.

Our product offerings primarily include:

•  The Double Volute Twin-screw Pump series represented by W2N, W2M, and W2H.

•  The Single Volute Twin-screw Pump series represented by W2G.

•  The twin-screw multi-phase systems represented by HWMPS and WMPS.

•  The three-screw pump series represented by SN and SM.

In order to better utilize products from research institutions for the market and society, enterprises have undertaken a series of reforms. HuangShan City, as the introducing project, has optimized and integrated, continuously injecting fresh energy and consolidating various technical and resource assets from within and outside the industry, infusing the enterprise with vitality.

The company's strategy has always been to take the road of scientific and technological development, in our professional field to provide customized solutions for various industries. Seal pursues the "quality for survival,technology for development, service for market" concept, dedicated to our users to provide excellent products, fast and satisfactory service.