上海慥毅閥門有限公司是一家集科研開發、設計咨詢、生產銷售為一體的閥門專業生產企業，性價合理，質量可靠。
本公司按照ISO9001質量體系標準執行，全國各地，遠銷中東、歐美、及東南亞地區，以*的質量贏得各界好評和信賴。產品分別有真空閥、閘閥、截止閥、減壓閥、止回閥、安全閥、球閥、蝶閥、疏水閥、柱塞閥、旋塞閥、鍛鋼閥門、不銹鋼閥門、美標閥門、電站閥門、呼吸閥、隔膜閥、水利控制閥、電磁閥、針型閥、調節閥等等，……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,產品廣泛應用于石油、化工、冶金、電力、化肥、鋼鐵、采礦、供熱印染、設備冷卻、食品、環保、造紙、電廠、污水排放、制藥、市政工程、建筑工地等領域。
慥毅的發展，得益于正確的發展思路，品牌的建設力度，產品的優良品質，完善的售后服務，也離不開眾多銷售精英在市場一線、宣傳慥毅品牌與推廣慥毅產品，慥毅的壯大、是慥毅人與銷售商們合作雙贏的較好佐證。“命運共同，利益雙贏，產銷攜手，拓展市場”是慥毅遵循的市場理念。竭誠歡迎新老顧客蒞臨本公司參觀訪問，垂詢惠顧，共創輝煌。
ShanghaiZaoYiValveCo.,Ltdisaproductionenterpriseofscientificresearchanddevelopment,design,productionandsalesasoneoftheprofessionalvalve,reasonableprice,reliablequality.
ThecompanyinaccordancewiththeISO9001qualitysystemstandards,best-sellingalloverthecountry,sellingalloverthecountry,areexportedtotheMiddleEast,EuropeandAmerica,andSoutheastAsia,withsuperiorqualitytowinthetrustandpraisefromallwalksoflife.Productsarevacuumvalve,gatevalve,globevalve,reliefvalve,checkvalve,ballvalve,butterflyvalve,safetyvalve,drainvalve,plungervalve,plugvalve,forgedsteelvalves,stainlesssteelvalves,valve,powerstationvalve,AmericanStandardbreathingvalve,diaphragmvalve,hydrauliccontrolvalves,solenoidvalve,needlevalve,regulatingvalveandsoon,......Nominaldiameter6mm-2000mm(1/4"-80"),nominalpressure0.1Mpa-60Mpa(150Lb-3500Lb),theworkingtemperatureof-196DEG-1300deg.Themainmaterialused:WCB.WC6,WC9,2GCr5Mo,2G1,theproductsarewidelyusedinpetroleum,chemical,metallurgy,electricpower,chemical,steel,mining,printinganddyeingequipment,heating,cooling,food,environmentalprotection,powerplant,paper,pharmaceuticalwastewater,municipalengineering,constructionsitesandotherfields.
ThedevelopmentofZaoYi,thankstothecorrectdevelopmentofideas,theconstructionstrengthofthebrand,productquality,perfectaftersaleservice,alsocannotdowithoutmanyelitesalesinthemarketfirst,publicityandpromotionofZaoZaoYiYibrandproducts,ZaoYi,YiisthegrowthofZaocooperationandwin-winbestsellerstheevidence."Thefateofthecommoninterestsofthewin-win,andexpandthemarket,handinhand,"ZaoYiisfollowthemarketconcept.Wesincerelywelcomenewandoldcustomerstovisitourcompanytovisit,inquire,createbrilliant.
