Custom castings from your drawings or samples. Send your requirements for a quotation. Request a Quote
Jiangkai Casting logo JK CastingDrawing-based OEM metal parts

Our company & factory

About Shandong Jiangkai Metal Products Co., Ltd.

Shandong Jiangkai Metal Products Co., Ltd., known as JK Casting, is a drawing-based metal parts manufacturer in Gaomi City, Shandong Province, China. The manufacturing factory was established in 2002. We supply custom castings and CNC-machined castings based on your drawings or samples.

Shandong Jiangkai Metal Products Co., Ltd. factory gate in Gaomi City
Direct RFQ contact kai@jkcasting.com · Gaomi City, Shandong Province, China

Company at a glance

Our factory, established in 2002.

Our manufacturing factory was established in 2002 in Gaomi. For supplier qualification, contact us for the equipment and inspection information relevant to your parts.

  • Factory established: 2002
  • Location: Gaomi City, Shandong
  • Casting route: resin-coated sand casting
  • Precision casting: lost-wax investment casting
  • Finishing operations: CNC machining
  • RFQ basis: drawings, 3D files, samples, or worn parts
  • Contact: kai@jkcasting.com

Custom parts

Parts made to your requirements.

We quote custom manufacturing projects from drawings or samples. Material, dimensions, quantity, and delivery requirements are confirmed for each order.

Part applications

  • Oilfield ESP cable protectors, cross coupling clamps, and related small components
  • Railway OLE, catenary, conductor-rail, and drawing-controlled fittings
  • Gearbox and reducer housings, end covers, and suitable machined castings
  • Obsolete, rebuild, and sample-based replacement metal parts
  • Packaging and conveying machinery housings, brackets, and small OEM components

Casting and finishing processes

  • Resin-coated sand casting and lost-wax investment casting
  • CNC turning, milling, boring, drilling, and finish machining
  • Material, heat-treatment, surface-treatment, and inspection planning
  • Dimensional checks; material records and specialist tests agreed with the responsible provider for each order
  • Export packing and shipment preparation

Quality & certification

View our factory affiliate’s ISO 9001 certificate.

The published ISO 9001:2015 certificate is held by Gaomi Changrong Precision Casting, our same-factory affiliate, and covers processing of steel castings. Please share any certification requirements for your project.

View the ISO 9001:2015 certificate PDF

What buyers should confirm for each project

  • Required material grade and governing standard
  • Critical dimensions, tolerances, and assembly interfaces
  • Heat treatment, coating, galvanizing, or other surface requirements
  • Inspection plan, reports, certificates, or third-party witness needs
  • Quantity, annual demand, packing, and delivery requirements

RFQ workflow

From your drawing to a quotation.

1

Send drawings or photos

Share the drawing, 3D file, sample photos, material, quantity, and use condition.

2

Check the part requirements

We review the drawing, material, quantity, and required certification.

3

Confirm the manufacturing steps

Confirm casting, machining, treatment, inspection, and packing requirements.

4

Confirm any missing details

We ask only for the additional information needed to prepare your quotation.

5

Prepare quotation

Quote against the confirmed manufacturing and inspection basis.

Company questions

Direct answers for supplier verification.

What does JK Casting manufacture?

JK Casting reviews drawing-based custom castings and CNC-machined metal components. Part applications includes oilfield ESP cable protection parts, railway OLE components, gearbox and reducer housings, replacement parts, and suitable packaging or conveying machinery parts.

Is JK Casting ISO 9001 certified?

The certificate published on this website is held by Gaomi Changrong Precision Casting, identified as a same-factory affiliate. Buyers can review the linked PDF and confirm any project-specific certification requirement before quotation.

How do buyers request a quotation?

Email 2D drawings, 3D files, sample or worn-part photos, material, quantity, tolerances, surface treatment, inspection requirements, and application details to kai@jkcasting.com.

Last reviewed: . Capability and certification requirements must still be confirmed against each RFQ.

Send us the part you need made.

Send drawings or sample photos, material, quantity, and any critical requirements for a quotation.