China·BaoNai Science&Technology co.,ltd. a valve manufacturer, specializes in all kinds of industrial valve, consistent conformed to international and national standards, we gained worldwide market, the past years, 90% of our products supply for Europe,America,Middle east,South east China.as we possess progessional and excellent working group , then BaoNai valve have the ability to stricly control very procession such as the purchasing of raw material, the development of innovative designs and the advanced cheking machine as so on,we consider it is our company's life  to give every customer fully satisfaction

Products range: Gate valve, check valve, globe valve,Angle valve, wafer check valve, bellow sealed,ball valve, safety valve, butterfly valve, plug valve,bronze valve, ect.

Pressure range: Class150～Class2500,

Size range: 1/2"～32"

Temperature: -196℃～750℃

Operation type: manual, gearbox, chain wheel, pneumatic, electronic, hydraulic-pneumatic etc.

Connection End: RF, BW, SW, NPT, wafer type, etc.

Materials (casting): WCB, WCC, LCB, LCC, LC1~3, CF8, CF3, CF8M, CF3M, CF8C, CN7M, CA15, C5, WC5, WC6, WC9, GR4A, bronze ,etc.

Materials (forging): A105, LF1, LF2, F11, F22, F5,F304, F304L, F316, F316L, F316H, F321, F347, F51, F60, etc.

Handing a wide variety of applications in the gas,oil,refining,chemical,marine,power generation and pipeline transmission industries. According to the different project and different range used,we are ability supply the valve with RT,UT,MT,PT test standard.
The remarkable quality and the unusual service are the BaoNai person's forever pursue and the pledge.