Ningbo Taihua Jingwei Machinery Factory was established in 2003, specialising in the production of pneumatic components and die castings. The main product categories are automatic drain valve, foot pedal adjustment, quick exhaust valve and end automatic drain. Among them, the automatic drain has many styles and full sizes, which meets the installation requirements of many brands of filters.

The factory covers an area of 3,500 square metres and has five modern production workshops to ensure the efficient operation of the production line. All products are tested through multiple channels to ensure product qualification rate.