Zhengzhou Zhongnan Valve Co. (37 lub xyoos) yog ib lub tebchaws A1 lev fab licenes licenes, ib lub nroog npau taws. Phau ntawv ntsiab, nrhiav kev tswv, pab tau, tej kev sibtsis, thiab tej kev tes haujlwm, Kuj muaj kev siv nrhiav tej kev siv nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav taus. CAD lub nrhiav phau (CYC) thiab nrhiav tau nrhiav phau (CNC). Twb teeb nrhiav nrhiav nrhiav phau nrhiav phau. • Valve tswv, ib lub nrhiav tau nrhiav tau tswv WCB, WC1, WC6, WC9, CrMol (1) • Standard System: lub koom txoos, lub koom haum. Lawv Ntaus Japan, American Standard Standard thiab Germans Tsis tas li ntawd xwb. • Ntawv Nkauj Lawv nrhiav: Lawv nrhiav tau tswj, nrhiav, tswb, tswb Alkali thiab coil • Nominal diameter: DN100---DN4000 • Nominal mob: 1.0MPa-10 MPA Lawv nrhiav, tej dej, tej tswv nrhiav, lub tswv, thiab ua li 28 lub nroog thiab tej tswv, tsis muaj dej. Lawv kuj siv rau tej tswvyim uas tswv nrhiav tau nrhiav nrhiav kev. Zhengzhou Zhongnan Valve Co. Zhengzhou Zhongnan Valve Co.