永嘉縣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(biāo)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(biāo)準(zhǔn)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(biāo)準(zhǔn)、各類材料、各種驅(qū)動形式的標(biāo)準(zhǔn)設(shè)計(jì)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(yù)報(bào)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 pump and valve in China ", we are a specialized  valve manufacturer integrating development, production, installation, sales  and  service. 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  networks  and  so  on.

The  company according to ISO9001 manufacture  standard  strict. We to rely on  Science  and  technology,  we  are  innovated exertion all the time, exploitation  various “SANJING" brand valves and  we  can  according standard , material or drive way  to  design and produce  high quality valves.

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