Valve parts

Casting

Keytork	Meide

Forging

Keytork	Fenghuang

Plug/Seat

Keytork	Tongda
Weituo

Stem

Keytork	Duchade
Qianya

Ball

Keytork	Huifu	Maoye
Antong	Hongqiu

Packing/Gasket

Keytork	Kente	Garlock
Flexitallic	Klinger

Bellows

Keytork	Aidi

Spring

Keytork	Lisa
Sanhe

Diaphragm

Keytork	Jinshen
Yidong	Biaozheng