08:35
YUANDA VALVE
00:57
J41H/WJ41H
00:57
CAST STEEL BALL VALVE ---YUANDA VALVE
00:57
forged steel gate valve -----yuanda valve
00:57
BALL VALVE ---YUANDA VALVE
00:58
Gate valve ----Yuanda valve #energy#oil#chemical#petrochemical#waterconservancy#naturalgas#
00:57
GATE VALVE --YUANDA VALVE GROUP CO,LTD
00:57
Butterfly valve by Yuanda valve group Co, Ltd.
00:57
Globe valve by Yuanda Valve group Co, Ltd
00:58
YUANDA VALVE GROUP CO .LTD
03:32
#hydrauliccontrolvalve #chemical #power #mechanical #technology #manufacturing #watertreatment
05:22
#energy #oil #chemical #petrochemical #waterconservancy #naturalgas #Varioustypesofvalves
08:32
#valve #gatevalve #oil #energy #watertearment #chemical #butterflyvalve
07:02
Today I will introduce to you the pipe force valve#oil #watertreatment #energy #electricpowersystem
04:27
#Rotaryvalve #oil #energy #watertreatment #water
00:17
#eccentricityhalfballvalve #oil #energy #watertreatment #sewage #chemicalengineering #medical
00:22
#oil #energy #Sewage treatment #medical look at our company, isn't it particularly beautiful?
04:58
#oil #petrochemical #chemical #electricpower #construction #medicine #watersupplyanddrainage
02:22
BROAD STEEL VALVE COATING SAND CASTING TECHNOLOGY
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