三精閥門有限公司位于泵閥之鄉(xiāng)-甌北鎮(zhèn),是一家集生產(chǎn)和銷售高、中、低壓閥門生產(chǎn)企業(yè)。生產(chǎn)的各種“三精”牌系列閥門,質(zhì)量可靠，品種齊全，故全國各地，分別有閘閥系列.截止閥系列.止回閥系列.球閥系列.安全閥系列.減壓閥系列.蝶閥系列.疏水閥系列.柱塞閥系列.旋塞閥系列.鍛鋼閥門系列.不銹鋼閥門系列.美標閥門系列.電站閥系列.呼吸閥系列.隔膜閥系列..水力控制閥系列.電磁閥系列.針型閥系列.調(diào)節(jié)閥系列等………公稱通徑6mm-2000mm（1/4″-80″），公稱壓力0.1Mpa-60Mpa（150Lb-3500Lb）,工作溫度-196℃-1300℃。主體材料采用：WCB、WC6、WC9、2GCr5Mo、2G1產(chǎn)品廣泛應(yīng)用于石油、化肥、鋼鐵、制藥、化工高層建筑、紡織等領(lǐng)域。
本公司按照ISO9001質(zhì)量體系標準執(zhí)行， 始終如*力于依靠科技，不斷創(chuàng)新，努力開發(fā)各種“三精”牌系列產(chǎn)品，能按照各類標準、各類材料、各種驅(qū)動形式的標準設(shè)計生產(chǎn)各種優(yōu)質(zhì)閥門。 三精人以*的技術(shù)與管理帶給您質(zhì)量的保證，以良好的信譽報答廣大用戶對三精系列產(chǎn)品的厚愛，秉承“一切為了用戶滿意”的經(jīng)營理念，將不斷應(yīng)用新技術(shù)、新工藝、新材料積極開發(fā)新產(chǎn)品，為廣大用戶提供更優(yōu)質(zhì)的閥門產(chǎn)品和完善的售后服務(wù)，為建立現(xiàn)代化三精企業(yè)而努力奮斗。

Yongjiaxian Sanjing Valve Co.,Ltd is situated on Oubei,Yongjia, a town given the prestigious name of "hometown of pumpvalve in China ", we are a specialized valve manufacturer integrating development, production, installation, salesservice. We produce “SANJING” brand valve , quality reliabled, variety is completed with nothing missing, So to be in great demand all over the country.

Our products include gate valve , globe valve, check valve ,ball valve, safety valve, reducing valve, trap valve, Plunger valves ,plug valve, hydraulic control valve, solenoid valve, pintle valve, adjusting valve, series. Nominal diameter from 6mm to 2000mm（1/4″-80″）, Nominal pressure from 0.1 Mpa to 60Mpa（150Lb-3500Lb）, Working temperature from –196℃ to 1300℃, the main materials of the products are WCB、WC6、WC9、2GCr5Mo、2G1,The products are widely applied to the field of petroleum, chemical, metallurgical, power, fuel gas, city pipeline networksso on.

The company according to ISO9001 manufacture standard strict. We to rely on Sciencetechnology, we are innovated exertion all the time, exploitation various “SANJING” brand valveswe can according standard , material or drive way to designproduce high quality valves.

The products of Sanjing is protected for ahead of techniquemanage, In accordance with the marketing philosophy of "all for users", we will application new technique , new technics ,new materials unceasingly to to open updevelop new products, we will provide better productsserve, there will be more efforts to construct modernization “SANJING”.