Qingdao Ronghang Marine Valve Manufacturing Co.,Ltd,as a professional marine machinery manufacturer,was founded in 1982,with a registered capital of 3 million yuan,and focus on marine valves,air vent head,pipe fittings etc more than 30 years in Qingdao,China.


Our mainly products were Air vent Head,Butterfly valve,Globe valve,SDNR valve,Angle valve,SDNR Angle Valve, Check Valve,Gate valve,Storm valve,Ball valve,Mud box,Rose box,Sight glass,Can water Filter,Simplex oil Strainer,Double oil simplex,Plug valve,Relief valve,,Air valve, Cocks, Three way valve,Sea valve,,Deck piece,Rose box,Safety valve,Breather valve,Foot valve,Diaphragm valve,Deck stand valve,Sounding pipe head, Filling cap,Expansion joint,Bolt & nut, Hose valve,Y Strainer,Steam trap, Shut off valve,Needle valve,Solenoid valve,Valve box,Nakajima joint, Self closing gate valve, Expansion joint,,Wafer check valve,Pressure reduced valve,Self closing valve,International shore connection,Flange, Deck stands for controlling valve etc, according to JIS,DIN GB, ANSI,API,BS,CB, CBM standard. Material is including cast iron,ductile iron,cast steel,cast bronze,forged brass,stainless steel,forge steel,and can be extensively used in marine, petroleum,chemical, metallurgical,electric power,architectural,agriculture field



1.One-Stop Service:
We supply various kinds of marine and offshore valves,air vent head,strainer,pipe fittings from securing the order to final delivery,we worked hard to make sure everything goes as required and with high standard quality.  
With more than 30 years experience in valves designing,manufacturing,ex-
Stock,supplying.Our marketing and technical department can assure you that.We can understand your requirement well and deal with your inquiry professionally. 
3.High quality:        
We are here to provide you with safety and reliable valves.Quality was always our main priority,our quality control program make sure that no defect or poor workmanship will be supplied.In these years we had got ISO Certificate,got Design Certificate,Works certificate,Foundry certificate,Class Type Approval certificate,API 6D Certificate etc from marine classification society& industrial field.So we can provide more faster and conveniently certificate service for customer requirement, such as ABS,BV,CCS,NK,KR,DNV,LR,GL, RINA Certificate etc.
4.Fast Delivery:         
We cooperate with the reliable logistic partner,including land,air and sea to help us deliver the goods to your hand on time.

By our matured experience and long history, We had exported to more than 40 countries up to now and established a comprehensive quality control system, including quotation, payment terms,delivery time,order tracking,quality check, case packing,transportation etc. 

 HONEST,QUALITY,SERVICE,EFFICIENT.’ was the RONGHANG MARINE VALVEs enterprise responsibility & green Culture.


• According to IMPA and ISSA

• For Shipbuilding

• Just in time delivery

• For Ship Repair

• All products in stock

• For Ship Supply
• Success Guaranteed

• For Offshore Platform