OEM Investment Sand Casting Stainless Steel Cast Iron Ball Valve Parts Valve Body

Ninbo Suijin can design and produce various of sand casting and precision casting, machining parts.CNC Precision Machining Metal parts for customers overseas and domestically.
We can supply OEM Sand Castings, Resin sand moulding, Ststatic line Moulding, Automatic moulding line, Lost foam, Shell moulding,, Hot core, Iron mould coated sand, machining choice will be according to the actual tolerance request and demand quantity. Most of Our produced castings are used for valves, hydrants, pumps,trucks,railway and train and so on.

Heat treatment
Annealing, termpering, quenching, normalizing, solid solution.

Main production facility
1.Casting facility: Hot core equipment, Cold core equipment, Ststatic line moulding, Vertical moulding line, Resin sand moulding line, Automatic moulding line, paint mixer, medium-frequency induction furnace, box resistance furnace, cutting head machine, shot-blasting machine, sand-blasting machine, pickling line.
2.Machining facility: CNC machine, linear cutting machine, NC milling machine, polishing machine.
3.Testing facility
spectrometer, tensile test machine, hardness test machine, mircoscope.

Quality Control:
In order to assure the quality of the orders ,we assign QC members to carry out strict inspection at each stage:
1) Incoming material inspection
2) Inspection of work-in-progress
3) Finnished production inspoection
4) Random warehouse inspections
All of our operations are strictly compliant with TS 16949:2016 guidelines
We have automatic casting production lines,CNC turning machines,CMM inspection, spectrometers and MT testing equipment, X-ray.Magnetic to check to keep good inner instruction
To benefit from our strong OEM/ODM capabilities and considerate services, contact us today.
We will sincerely create and share success with all clients.

Founded in 2003, Ningbo Suijin  Machinery Technology is located in Ningbo city ,Zhejiang Province, We manufactured all kinds of lost wax investment castings and machining parts or called precision investment castings , material including carbon steel, alloy steel, and stainless steel. we also can according to the customers' requirement to compound the material, Our factory has a floor space of 33,000 square meters and another 18000 square meters of building area, which contain both casting foundries and CNC machining area. The two advanced lost wax casting and investment casting production lines have a capacity of 5000 tons lost wax castings and 1000 tons investment castings per year.

To keep the good quality parts we had set up our lab center which is advance center in our area. Our inspection equipments includes Spectrometer, Metallographic Microscope, Tension Tester, Low Temperature Impact tester, X-ray tester, magnetic particle detector, UT, CMM, and so on. every year we will investment to buy more equipments to develop our business.

We supply parts in a wide range in industries that includes automotive, boats, Oil machinery, agricultural machinery, building equipment, valves, pumps, electrical machinery, hardware, transmission, etc. we have produced more than 1000 different productions. more than 95% are exported to America, Canada, France, Germany, Denmark, Britain, Japan, etc.

Our company has more than 300 employees, including 17 engineers and 15 QC. every year some of employees will out training to improve their knowledges and skills. we had got ISO/TS16949:2009 and PED certifications.

We strive to provide the best quality and service while maintaining the basic principles of respect and honesty. We sincerely invite global customers to visit our company, and hope to establish a long term business relationship