The Ningbo Hongwu Pipe Industry Co. Ltd is proud to introduce the new Solar SpeedFlex Plumbing System!

The Solar SpeedFlex Plumbing System was jointly developed with British Design Consultant Mr. Eric Hawkins – who has eighteen years of experience in the solar water heating industry – Ningbo Hongwu Deputy General Manager Mr. Nathan Huang, and Ningbo Hongwu owner Mr. Huang Qin Chang. This development continues the innovative tradition of the Ningbo Hongwu Pipe Industry Company, which has built a reputation in this industry for supplying the highest quality stainless steel pipes and fittings to both the Chinese and global markets. 

Our standard range of pipe sizes offered includes DN12mm, DN16mm and DN20mm with larger sizes available on request. 

We offer rolls of bare pipe ranging from 10 to 50 meters in length.

Rolls of single coil pre-insulated pipe are sold up to 30 meters in length.

Rolls of twin coil pre-insulated pipe are sold up to 20 meters in length.

A twin-core insulated solar controller sensor cable is offered with all pre-insulated orders.

Stainless steel material used:  SUS304 OR 316L.

A full range of brass fittings to meet all solar water heating applications in both China and worldwide are available in standard brass, DZR and NPT.

Solar SpeedFlex Plumbing System