What is the maximum machining tolerance?

We offer tightest tolerances of +/-0.003mm for metal machining, depending on the specific product and material.

What surface treatments are available?

Common surface treatments include Anodizing, Powder coating, Polishing, Painting, Bead blasting, and Electroplating.

How do you ensure product quality?

We implement rigorous quality control including First Article Inspection (FAI), in-process inspections, and 100% final inspection.

Precision Engineered Advanced Semiconductor Machining Parts for Global Buyers

Name: Precision Engineered Advanced Semiconductor Machining Parts for Global Buyers
Brand: Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd.
SKU: 2201027225

Guangdong, ChinaShenzhen Donghui Precision Mechanical & Electrical Co., Ltd.

US$2.00

1-99 Pieces

US$1.00

100+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Application

Machinery Accessory

Standard

GB, EN, China GB Code, JIS Code, TEMA, ASME

Model NO.

DHSM0125007

Surface Treatment

Anodizing

Production Type

Mass Production

Machining Method

CNC Milling

Material

Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron

Tolerance Ranges

Metal Machining: Tightest +/0.003mm, Depending on

Surface Roughness Range

Ra: 3.2-0.4, Depending on The Products and Materia

Workpiece Size Range

Milling:1020mm*510mm*500mm Turning:20.5mm-2250mm*5

Raw Material Report

SGS; RoHS; Reach;Coc

Industry Standard

ISO;En;GB;ASTM;ASME

Package Size

400mm*400mm*250mm

Package Gross Weight

10kg

OEM/ODM

Accecpted

Lead Time

7 Day for Sample; 20 Days for Batch

Delivery Term

EXW; Fob; CIF; DDP

Package

Foam; Carton; Wooden Case;

Process

5 Axis CNC Milling

Equipment

Matsuura, Mazak, Dmg, Fanuc, Citizen

Certification

ISO9001; ISO13485; IATF 16949; ISO14001

Transport Package

Carton/Foam/Vacuum

Specification

Customized

Trademark

DONGHUI

Origin

Shenzhen China

HS Code

8479909090

Production Capacity

5000PC Per Month

Key features

Tightest Tolerance: Metal machining tolerance as tight as +/-0.003mm depending on the part.

Advanced Equipment Fleet: Over 300 units of top-tier machinery including Matsuura, Mazak, DMG, and Fanuc.

Comprehensive Certification: Certified with ISO9001, ISO13485, IATF 16949, and ISO14001 standards.

Rapid Lead Time: 7 days for sample production and 20 days for batch orders.

OEM/ODM Accepted: Full customization options available from samples, designs, or flexible requirements.

Multi-Industry Expertise: Serving medical, semiconductor, new energy, and automotive sectors with high precision.

Strict Quality Control: 100% final inspection including FAI, in-process checks, and raw material validation.

Low MOQ: Minimum Order Quantity is just 1 piece, suitable for prototyping and small batches.

Company profile

Management CertificationQuality AssurancePatents AwardedExhibition Experience

Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.78h

AI-Powered supplier vetting

SummaryDonghui Precision Machinery is identified as a professional technical supplier manufacturing high-end precision components and intelligent automation equipment for medical, biotech, semiconductor, new-energy, automotive, and automation applications. It reports 3D software design, SDK, ODM, OEM, and broad customization capabilities, supported by CNC, milling, EDM, grinding, measurement, microscopy, and hardness-testing equipment. Quality processes include inspection instructions, traceability, quality assurance, corrective and preventive actions, and complaint-handling procedures. The supplier has participated in a Shenzhen medical-device exhibition and offers multiple payment and quotation terms, but its overseas service infrastructure is limited: it reports no overseas warehouse, showroom, agent, or branch and lists zero countries with overseas services. Export experience is stated as one year. No explicit certification information is provided, and the absence of new products in the past year limits...

Supplier typeThe supplier describes itself as a manufacturer of high-end precision components and intelligent automation equipment, with non-standard customized components serving medical, biotech, automation, semiconductor, automotive, and new-energy applications. This supports classification as a professional technical manufacturing supplier.

After-Sales capabilityThe supplier has documented procedures and records for complaint handling and corrective/preventive actions, indicating an established service-response process. However, it reports no overseas warehouse, showroom, agent, or branch, and zero countries with overseas services, limiting evidence of localized overseas support.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, ODM services, and OEM experience for well-known brands. However, it also states that no new product was developed in the past year, so current innovation output is mixed.

Production capacityManufacturing scope includes high-end precision components and intelligent automation equipment, supported by CNC, milling, EDM, grinding, dimensional measurement, microscopy, and hardness-testing equipment. Uniform finished-product inspection, quality assurance, and material traceability procedures further support production capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, alongside 3D design, ODM, and OEM services. This provides direct evidence of broad customization capability.

Client casesThe supplier identifies served application industries including medical and biotech, semiconductor, new energy, automotive, and automation, and reports OEM service for well-known brands. It also participated in the Shenzhen International Medical Devices Exhibition in 2023, but no specific customer names, projects, or delivery outcomes are provided.