Zd company is specialized in developing and manufacturing low and middle pressure butterfly valve, ball valve, tilting disc check valve, gate valve and valves in special design.

Zd is member of:
China valve association
The China water association
The henan quality association
We have:
ISO 9001 certificate since 1997
API certificate since 2000
CE certificate since 2002
Wras certificate since 2006
ISO14001 certificate since 2007.

Zd products have been awarded many national patents, evaluated as China quality up to PAR products by China quality inspection association and national technology supervisal intelligence graduate school, and recommended as customer trusting product by China customer protection fund.

Our main products are:
Bi-directional metal seated butterfly valve
Bi-directional rubber seated butterfly valve
Rubber-lined butterfly valve
Eccentric ball valve
Gate valvetilting disc check valve.

Our products are sold and installed in:
China
Europe
America
South-east Asia
Middle East
Africa
Range of sizes: Dn100 up to dn4000mm
Pressure classes: Pn0.1 up to pn64 bar

Type of operation: Hand wheel, gear, electric, pneumatic and hydraulic.
Zd will lead the enterprise to the future with creativity and a modern business plan. We sincerely welcome all the customers at home and abroad to our company.