Shandong Daji Precision Casting Co., Ltd.

Precision Investment Castings

— From Carbon Steel to Stainless Steel & Alloy Steel

Precision cast, heat-treated, and CNC-finished — all in-house. From raw steel to ready-to-assemble parts, we manufacture with tight tolerances and full traceability, so you get consistent quality, batch after batch.

Years Experience

About Daji

Founded in 1993, Built for Precision Casting

Founded in 1993, Built for Precision Casting,Since 1993, our ISO 9001‑certified foundry delivers 6,000+ tons annual capacity with 3,000+ casting variants, producing custom silica‑sol investment castings per your drawings for construction, mining, auto and industrial machinery.

Custom Manufacturing:

DFM Engineering

Precision Investment Casting

Material Engineering

Machining and Finishing

Typical Parts

Typical Precision Casting Components

Explore representative casting parts made for machinery, vehicles, pumps, valves and industrial equipment. Each part can be customized by drawing, material grade, machining requirement and surface treatment.

Our Services

From Drawing to Finished Component

A controlled manufacturing workflow keeps every custom casting traceable from technical review to final inspection. The process is built for complex geometries, stable dimensions and reliable batch quality.

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DFM & Technical Review

We review drawings, application conditions, material requirements, tolerances and machining needs before production starts.

Tooling & Wax Injection

Custom molds and wax patterns are prepared to control shape accuracy, surface detail and repeatability.

Shell Building & Pouring

Silica sol shells and controlled pouring help produce clean, precise carbon steel, alloy steel and stainless steel castings.

Heat Treatment & Finishing

Normalizing, quenching, tempering, shot blasting, passivation and other treatments are selected by material and working condition.

CNC Machining

Turning, milling, drilling, tapping and assembly services are available for customers who need ready-to-install finished parts.

Inspection & Delivery

Dimensional inspection, material analysis and non-destructive testing support stable quality before shipment.

Expertise

Quality, Certification & Factory Capability

Daji operates under an ISO 9001 quality system and uses material analysis, mechanical testing, heat treatment control and inspection equipment to verify casting quality. Long-term supply experience with major machinery groups supports stable delivery, reliable pricing and responsive after-sales service.

ISO 45001:2018 occupational health and safety management certificate

ISO 9001:2015 quality management certificate for steel casting production, Chinese version

ISO 9001:2015 quality management certificate for steel casting production, English version

ISO 14001:2015 environmental management certificate

SHQC-issued ISO 9001:2015 quality management certificate

Clients Testimonials

Industries & Application Cases

Our precision castings are used in construction machinery, mining machinery, forklifts, loaders, excavators, road rollers, pumps and valves, automotive parts, agricultural machinery, food machinery, power generation and wind energy. Main export markets include Europe, the United States, Australia, Korea and Japan.

Their manufacturing consistency is outstanding. We've trusted Daji for seven years without a single quality complaint.