About Senjia Casting

Senjia Casting is a China-based manufacturer specializing in custom investment casting and silica sol lost wax casting for industrial metal parts.

Established in 2010, we focus on producing stainless steel, carbon steel and alloy steel castings according to customer drawings, samples and technical requirements. Our casting parts are used in machinery, marine hardware, building hardware, pump & valve, and other industrial applications.

With an annual casting capacity of over 3,000 tons, Senjia Casting supports customers from drawing review and mold development to casting, surface treatment, inspection and exportdelivery.

What We Do

We manufacture custom metal casting parts based on customer drawings, samples and application requirements.

Our work is not limited to standard products. Most of our parts are customized according to specific material grades, dimensions, surface requirements and working conditions.

We help customers review casting feasibility before production, including material selection, wall thickness, structure, surface treatment and inspection requirements.

Investment Casting Capabilities

Senjia Casting provides silica sol investment casting and lost wax casting solutions for metal parts with complex shapes, stable dimensions and reliable material performance.

Our casting capabilities include:

• Silica sol investment casting                     Lost wax casting            

• Mold development                                        Waxpatternmaking

• Wax tree assembly                                        Shell making

• Melting and pouring                                     Cutting and grinding

• Heat treatment                                               Surface treatment

• Final inspection                                              Export packaging

We aim to provide stable production quality for both small-batch and regular casting orders.

Materials We Cast

We manufacture custom casting parts in stainless steel, carbon steel and alloy steel according to drawings and technical requirements.

Common material categories include:

• Stainless Steel: 304, 316, 316L and other grades according to requirements

• Carbon Steel: produced according to customer drawings and standards

• Alloy Steel: used for strength, wear resistance or specific working conditions

• Custom Materials: reviewed according to technical specifications

Material requirements can be checked before quotation to confirm production feasibility.

Industries We Serve

Senjia Casting supplies custom investment casting parts for different industrial applications, including:

• Industrial machinery

• Marine hardware

• Building hardware

• Pump and valve components

• Automotive and engine accessories

• General industrial parts

• Hardware tools and equipment components

We work with customers who need custom cast parts based on drawings, samples or application requirements.

Quality Control

Quality control is applied throughout the casting process, from raw material inspection to final shipment.

Inspection and testing can include:

• Chemical composition analysis

• Dimensional inspection

• Hardness testing

• Tensile strength testing

• Elongation testing

• Impact testing

• Metallographic analysis

• Surface roughness inspection

• 3D scanning

• Coating thickness testing

• Non-destructive testing, including dye penetrant testing, ultrasonic testing, magnetic particle testing and radiographic testing

Some tests can be performed in-house or arranged throughqualifiedthird-party laboratories according to customer requirements.

Our goal is to help customers receive casting parts with stable material performance, consistent dimensions and reliable surface quality.

Production Process

Our investment casting process normally includes the following steps:

1. Drawing review

2. Mold development

3. Wax pattern making

4. Wax tree assembly

5. Shell making

6. Dewaxing

7. Melting and pouring

8. Shell removal

9. Cutting and grinding

10. Heat treatment

11. Surface treatment

12. Final inspection

13. Packing anddelivery

Each project is reviewed according to drawings, material grade, quantity, tolerance requirements and surface treatment requirements.

Why Choose Senjia Casting

Senjia Casting focuses on custom investment casting rather than standard retail products. We understand that industrial customers need stable quality, clear communication and reliable production control.

Why customers work with us:

• Custom production according to drawings or samples

• Silica sol lost wax casting process

• Stainless steel, carbon steel and alloy steel casting capability

• Annual casting capacity over 3,000 tons

• Support from drawing review to final inspection

• Surface treatment and export packaging available

• Quality inspection arranged according to project requirements

We aim to be a reliable castingsupplierfor customers who need stable long-term production.

Send Your Drawings for a Casting Quote

For accurate quotation, please send us your 2D or 3D drawings, material grade, quantity, tolerance requirements and surface treatment requirements.

Our team will review the casting feasibility and provide a quotation based on your project requirements.

Contact Senjia Casting to discuss your custom investment casting project.