Do you provide OEM and ODM services?

Yes, we offer OEM and ODM services with customization from samples, including precision machining and surface treatments.

How do you guarantee product quality?

We conduct a pre-production sample, 100% checking during each production sector, and 100% final inspection before shipment. We are ISO 9001:2015 certified.

What are the main applications for these parts?

Our parts are mainly used for flow and control, oil and gas, various machines and equipment, ships, and cars building.

Precision Casted and Machined Carbon Alloy Steel Casting

Name: Precision Casted and Machined Carbon Alloy Steel Casting
Brand: Dongying Highco Metal Manufacturing Co., Ltd.
SKU: 2227598575

Shandong, ChinaDongying Highco Metal Manufacturing Co., Ltd.

US$0.75-8.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Model NO.

HP-000-029

Molding Technics

Gravity Casting

Application

Machinery Parts

Material

Cast Steel

Surface Preparation

Black Oxide Coating

Surface Roughness

Ra0.8

Machining Tolerance

+/-0.02mm

Standard

AISI

Certification

ISO 9001:2015

Casting Tolerance

CT5-CT6

Casting Roughness

Ra3.2-6.3

Special Treatment

Sand Blasting, Polishing, Elctro Polishing

Lead Time

45-60days

Transport Package

Carton and Pallet

Specification

customized

Trademark

customized

Origin

Shandong Province, China

HS Code

73089000

Production Capacity

2000sets Per Month

Key features

Precision Casting & Machining: Silica sol investment casting with tight tolerance of +/-0.02mm and Ra0.8 roughness.

Wide Material Selection: Supports Stainless Steel (304/316), Carbon Steel, and Alloy Steel (4310, 8620).

Custom Surface Treatment: Options include Black Oxide, Sand Blasting, Polishing, Electro Polishing, and Coating.

Certified Quality Control: ISO 9001:2015 certified with 100% final inspection and X-Ray/CMM testing.

Flexible Customization: Customizable casting tolerance (CT5-CT6) and roughness (Ra3.2-6.3) available.

Fast Sample Development: Sample development cycle takes only 25-35 days for rapid prototyping.

Large Capacity Production: Monthly capacity exceeds 100 tons with part weights from 2g to 30kgs.

Expert Technical Support: Team with 15+ years experience in mold design, casting, and machining.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Dongying Highco Metal Manufacturing Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.03h

AI-Powered supplier vetting

SummaryDongying Highco Metal Manufacturing Co., Ltd. is identified as a limited, combined-type supplier and is described elsewhere as a trading company engaged in precision mechanical equipment processing and sales, precision castings, ship accessories, and automotive accessories. It offers steel castings and has OEM experience with well-known brands, export capability, in-stock service, and a stated 90% export-sales share. Its facilities include CNC lathes, drilling, polishing, pressing, and related equipment, with sample-based customization. Quality and complaint-handling procedures are documented and followed, although the approved-supplier list lacks signatures or dates. Key limitations are the absence of an available SDK, valid manufacturing-capacity contracts with associated subcontractors, overseas warehouses, overseas agents or branches, overseas showrooms, and offline trade-show participation. Financial information is limited to year labels without assessable financial values. An audit by TÜV Rheinland...

Supplier typeThe supplier is listed as a limited company with a combined organizational type, while its company nature is identified as a trading company. Its stated business scope covers processing and sales of precision mechanical equipment and accessories, precision castings, ship accessories, and automotive accessories; the primary offered product is steel casting.

CertificationsThe supplier is explicitly stated to hold a valid import and export license. A TÜV Rheinland audit is also recorded with coverage from April 24, 2025 to April 23, 2026, but the audit type is given only as “1” and the evaluation result as “0,” without an interpretable certification or pass description.

After-Sales capabilityThe supplier lists overseas service offerings including debugging, maintenance, repair, training, and equipment installation, and has documented, followed procedures for corrective actions and customer complaints. However, it has no overseas agents or branches, serves zero stated countries, and has no overseas warehouse or showroom, limiting demonstrated international service infrastructure.

Production capacityThe supplier reports in-stock capacity, a facility containing CNC lathes, lathes, drilling, polishing, pressing, and digital-caliper equipment, and 90% of sales from exports with self-operated import/export rights. It also reports written and followed inspection, supplier-capability assessment, corrective-action, and complaint procedures, although there is no valid manufacturing-capacity contract with the factory and associated subcontractors and the supplier reports zero cooperative suppliers.

Customization capabilityThe supplier explicitly provides customization from samples and has OEM capability for well-known brands, directly supporting its ability to produce customized products based on customer samples or brand requirements. No broader design-development or SDK capability is established.

Product Q&A

Q:What materials are available for these parts?

We support Stainless Steel (304/304L, 316/316L, 310, 410, 2205, 2507), Carbon Steel (C45, 1020), and Alloy Steel (4310, 8620, 16MnCr5).

Q:What is the maximum size and weight capacity?

Part weights range from 2g to 30kgs, with a maximum dimension of 600mm for diameter or length.

Q:What surface treatments do you offer?

We provide Black Oxide Coating, Sand Blasting, Polishing, Electro Polishing, Zinc Plating, Hot Dip Galvanizing, Nickel Plating, Passivation, and Powder Coating.

Q:What is the lead time for production?

The accepted lead time is 30-60 days. Sample development takes 25-35 days.

Q:What payment terms and currencies are accepted?

We accept USD, EURO, and YUAN (RMB) via T/T, LC, D/P, PayPal, Western Union, and Small-amount payment.