Customized Stainless Steel Silicon Sol Investment Casting Surface Polishing Valve Bonnet

Customized Stainless Steel Silicon Sol Investment Casting Surface Polishing Valve Bonnet

The Surface Polishing Valve Bonnet Casting is Stainless Steel Welding Thread Casting Connector, used in plumbing system to join multiple pipes of same size or different sizes, to regulate the flow or to measure the flow. They are made up of different materials like copper, iron, brass, PVC etc.

We adopt all-silica sol dewaxing precision casting, paraffin investment precision casting, die casting and other processes, specializing in the production of precision castings and products of various materials.

Ningbo Suijin can cast various hardware thin-walled parts for customers, which are light in weight and complex in shape. Widely used in hardware tools, machinery manufacturing and machining industries, and in the shipping sector are grades, aviation products, auto parts, water pumps, pneumatic tool accessories, lighting hardware, valves, architectural hardware, lock accessories, valve castings, door hinges, Stair handrail accessories, pipe joints, etc., and can support casting, heat treatment, shot blasting, gross machining services according to customer requirements.

Hardware Castings​ details

Hardware Castings Picture show

Our Quality control 

1) We possess a large scale of foundry and CNC machines, as well as production lines of lost wax casting to cater to the need of growing precision investment casting business. Besides, we have advanced inspecting instruments such as Spectrometer, Metallographic Microscope, Tension Tester, and Impact tester for Chemical & Physical Analysis, and 2D projector, X-ray, Ultrasonic , magnetic to keep inner good instruction, CMM to assure dimensional precision.

2) Quality control starts the minute the precision investment casting raw material arrives the foundry, continues along with every stage of investment casting process. We were awarded with ISO9001:2000 by SGS, PED/AD2000 by TUV.

3) We have developed and manufactured more than 3300 types of precision investment casting products, which are widely applied in Auto Parts, Construction Hardware, Marine Hardware, Pumps & Valves, Machine Parts and other industries. A large percentage of our investment casting parts were exported to Europe, US, Japan and Asia.

Process flow:

Wax Injection--Make Wax pattern and repair--Inspection--Shell Making--De-waxing--Roasting Shell and Melting Steel--Composition Inspection--Pouring--De shelling--Cutting and Grinding the pouring gate--Inspection--Heat treatment--Shotblasting--Machining--Anti-Corrosion--Final Inspection--Shipping

Precision Casting Part Packing

Our Company

Competitive Advantage:

1 . All of our products are strictly inspected and tested before packing in factory..

2 . Good team for quality and delivery time control.

3 . Close to Ningbo Port and Shanghai Port.

4 . We have a team of professional engineers to supply related technology help if customers need our tech-assistant.

5. Good Projects and PPAP documents experience

6: Full APQP process to control the quality

Our Precision Casting Manufacturing Process