Inventor

GUI XINCHUN

CN2 patents

Patents

2 patents

US10107405B2Oct 23, 2018

Tilting disc check valve

ZHUZHOU SOUTHERN VALVE CO LTD3 citations63

US10690262B2Jun 23, 2020

Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline

ZHUZHOU SOUTHERN VALVE CO LTD0 citations29