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Custom lost wax silica sol Investment Casting stainless steel ball valve
Our advantage:
1.Over 20years of international experience in the field of mechanical manufacturing.
2.OEM and ODM.
3.Over 5years of experience working with Moody.
4.Overseas subsidiaries in Dallas, USA and Aachen, Germany with warehouses.
5.Automatic production line to meet precision and high efficient modern production.
6.PED / ISO9001 / IATF16949 certified by TÜV Rheinland.


Capability for Investment Casting & CNC Machining
Stainless Steel | 1.4308, 1.4309, 1.4404, 1.4408, 1.4409, 1.4581, CF3, CF8, CF3M, CF8M, etc. |
Carbon Steel | 1.0619, 1.0625, 1.0558, 1.6220, WCB, WCC, LCC, J05002, etc. |
Alloy Steel | GS-16Mn5, GS-42CrMo4, 8Q, B2N etc. |
Casting Weight Range | 10gram – 80kgs |
Casting Diameter Range | 30mm – 700mm |
Casting Tolerance | ISO 8062 DCTG 6 |
Casting Surface Roughness | Ra 6.3 |
Machining Tolerance | 0.01mm |
Machining Surface Roughness | Ra 0.6 |
Heat Treatment | Solution, Annealing, Quenching, Tempering, Aging, etc. |
Special Treatment | Hardening, Vacuum Impregnation, etc. |
Surface Treatment | Pickling, Passivation, Sand-blasting, Shot-blasting, Electro-polishing, Buffing, Mirror-polishing, Galvanization, Zinc-plating, Nickle-plating, Chrome-plating, Anodization, Coating, Painting, Black phosphating, Electrophoresis, etc. |
Special Inspection | Leakage test, Shell Strength test, Radiographic test, Ultrasonic test, Magnetic test, Liquid penetration test, Salt spray test, etc. |
Quality Documents | Measuring report, EN 10204 3.1 material certificate, PPAP, APQP, FMEA, etc. |




Packaging Details: Standard export packages (carton/ply-wood case/pallet) / Customized
Gross Weight: max. 650kgs per package
Port: Shanghai/Ningbo
Lead Time :
Quantity(Pieces) | 100 - 500 | >500 |
Est. Time(days) | 30 | To be negotiated |

1.Is your company a manufacturer?
Yes, we Stone group have 4 factories.
2.How about your export experience?
80% exported to Western Europe and North America, for customers like Siemens, Geberit, KSB, etc.
3 .What does your company need to submit a quotation?
Drawings or Samples, together with information like quantity, material, tolerance etc.
4 . What if we do not have a drawing?
We can build the drawing according to your samples and offer you the price.
5. How soon before I get a sample?
8 weeks for tools and samples for OEM parts, 3-7 days for express.
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