Technical advantages

over 4000 tons production capacity of precision castings annually



300 million annual output value


over 86600 sq.m coverage area


over 20,000 tons production capacity of sand castings annually

Precison Casting Production Base

Located in Huzhou,specializing in production of stainless steel, alloy steel, carbon steel, ductile iron and other material castings, leading products include pump parts, valve parts, construction castings and other three series of precision castings and ductile castings.

Production applies the most advanced all-silica sol medium temperature wax investment casting technology. We have 2 full silica sol investment casting production lines, 2 iron mold sand-covered production lines and 2 resin sand production lines. Our testing center has various imported facilities,able to produce according to various standards including GB, HG, SH, ASTM/ASME, JIS, DIN, etc.








Photos Of the Enterprise

pump water, pumping honor


CNP integrates the advanced R&D technologies from Europe and America, with the most advanced industrial design concept in Western Europe, with the production experience of modern industrial clusters in North America, with the most efficient and energy-saving product structure research in Hangzhou, China.

With the application of information technology, CNP has built its own smart factory, taking the lead in the introduction of SAP resource management system, becoming one of the key units of the key construction project of  "machine substitution" in Hangzhou, with the whole process of production information monitoring and tracking, applying laser welding technology to the manufacturing process of robot pump spare parts in depth, using progressive die technology to ensure the quality of the whole process of the parts, all of which greatly reduce the production and manufacturing cycle, provide an intelligent production and manufacturing basis for the pump production.

CNP was recognized as state-certified enterprise technology center in 2016. It is the highest evaluation level for technology center in China. Besides, CNP has been carrying some technical courses in 11/12/13th National Five-Year Plan.

CNP uses digital integrated intelligent control technology to create domestic advanced M2M mode, intelligent control technology.

It includes intelligent current stabilization system, intelligent vacuum suppression system, intelligent auxiliary control monitoring system, intelligent non-negative pressure full frequency control system and intelligent water hammer two-way elimination system.