Highstart Precision Casting Manufacturer

Investment Casting from Dongying, China

Highstart Precision Casting Ltd locates in the central city of the Yellow River Delta Dongying where lies China's second largest oil field Shengli Oil field. It is only three hours' drive from Dongying to Qingdao port which enjoys high popularity in the world, which endows us with the geographical edge over other competitors in the same industry.

As a major manufacturer of investment castings, we adopted the lost-wax process to serve a huge variety of markets that require metal parts in carbon steel, stainless steel and different kinds of alloy steel, including construction hardware, marine hardware, kitchen hardware, pipe fittings, auto parts, railway parts and other machinery parts. We are able to supply precision castings in many conditions involving heat treated, machined, electropolished, mirror polished and so on.

Excellent employees and advanced management guarantee our superb products at most competitive prices. We currently have more than 100 employees and an annual capacity of over 400 MT precision castings per year, of which over 90% are exported to Europe, America, Australia, South Korea and Japan.

Our company culture is "Precision Makes Difference". This idea runs through every aspect of operation, from company management to product manufacturing, quality control and inspection; from employee training and technique requirement to customer service, we keep pursuing precision, which makes us different from others. We aim to make it easier for our customers to purchase quality products from a reliable manufacturer that passed ISO9001, and we are sure you will find it worthwhile to choose us as your supplier.

Highstart Technology

Highstart Casting Process

Foundry – Hengke investment casting process
1

Foundry

Our Dongying foundry manages investment casting from wax patterns to finished components under controlled production procedures.

Wax Injection – Hengke investment casting process
2

Wax Injection

Molten wax is injected into precision tooling to form accurate and repeatable wax patterns for each component.

Wax Parts Shop – Hengke investment casting process
3

Wax Parts Shop

Wax patterns are inspected, cleaned and assembled into casting trees before ceramic shell building.

Shell-Making Shop – Hengke investment casting process
4

Shell-Making Shop

Refractory slurry and stucco layers are applied and dried to create strong, dimensionally stable ceramic shells.

Wax Loss Process Shop – Hengke investment casting process
5

Wax Loss Process Shop

Wax is removed from the cured shells under controlled conditions, leaving clean cavities ready for preheating and pouring.

Pouring Shop – Hengke investment casting process
6

Pouring Shop

Verified molten alloy is poured into preheated ceramic shells with controlled temperature and handling procedures.

Post-Treatment Process Shop – Hengke investment casting process
7

Post-Treatment Process Shop

Gates, runners and surface irregularities are removed through cutting, grinding and other finishing operations.

Ball Blasting Shop – Hengke investment casting process
8

Ball Blasting Shop

Blasting removes residual shell and scale to produce a clean and consistent casting surface.

Shape Correction Shop – Hengke investment casting process
9

Shape Correction Shop

Castings are checked and carefully straightened when required to restore specified geometry and dimensional alignment.

CMM Inspection – Hengke investment casting process
10

CMM Inspection

CMM and other calibrated instruments verify critical dimensions against customer drawings and inspection plans.

Machining Shop – Hengke investment casting process
11

Machining Shop

CNC turning, milling, drilling and finishing achieve the required tolerances, interfaces and surface quality.

Packaging and Shipment – Hengke investment casting process
12

Packaging and Shipment

Finished castings are protected, labeled, packed in export-grade cases and prepared for traceable shipment.

Why Highstart Precision Casting?

  • Lost-wax investment casting in stainless steel, carbon steel and alloy steel.
  • CNC machining and mould-making support for customer-designed components.
  • Heat treatment and electropolished, mirror-polished or other specified finishes.
  • Spectrometer analysis of alloy composition before pouring.
  • Dimensional inspection using projectors and tri-coordinate measuring instruments.
  • Production from customer drawings, samples or ready-made dies.
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