Chinese or foreign-owned. You choose.

Custom manufacturers that make parts and products to your design — with who owns them, how much English you'll get, and a link back to the source.

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Native-English project manager Startup-friendly: manages prototype → production54 companies

Featured

Spotlight

The Sparrows

Foreign-managed

Prototype-to-production NPI management for foreign hardware teams, on site in Mandarin

Shenzhen

Partner networkPrototypesMass production

Sourcing & project managementQuality inspection & auditsElectronic component sourcingStartup NPI partner

Native-English project managerSource ↗

Vexos

Foreign-owned

North American EMS with a Dongguan plant opened in 2025

Dongguan · Dongguan (other town)

Makes in-houseLow volumeMass production

Contract manufacturing / box buildPCB assembly (SMT/PCBA)Contract manufacturerFactory

English-speaking salesSource ↗

View Well

Started in 2003 making bespoke parts for Raymarine

Shenzhen · Longgang

In-house + partnersPrototypesLow volumeMass production

Metal stampingCNC machiningSheet metal fabricationSurface finishing

English-speaking salesSource ↗

ZCMIM

Chinese

MIM as the core business, with its own tooling, debinding and sintering

Dongguan · Dongguan (other town)

Makes in-houseLow volumeMass production

Metal injection molding (MIM)Surface finishingFactoryMold / tool maker

English-speaking salesSource ↗

Simcone

世弘

Chinese

Custom silicone rubber keypads since 2008

Shenzhen · Guangming

Makes in-houseMass production

Silicone & LSR moldingSurface finishingFactoryMold / tool maker

English-speaking salesSource ↗

Kaierwo

凯尔沃

Chinese

New-energy prototypes: battery packs, charger housings, inverters, cooling modules

Shenzhen · Guangming

Makes in-housePrototypesLow volumeMass production

Rapid prototyping (multi-process)CNC machiningUrethane / vacuum casting3D printing

English-speaking salesSource ↗

Huayuanda (HYD)

华源达

Chinese

Automotive stamping dies since 2004 (chassis, body, door, seat, sunroof)

Shenzhen · Bao'an

Makes in-houseMass production

Metal stampingSurface finishingMold / tool makerFactory

English-speaking salesSource ↗

SYS Technology

商一科技

Chinese

Fast-turn SMT: rush from 6 hours, samples in 3–4 days

Dongguan · Dongguan (other town)

Makes in-housePrototypesLow volumeMass production

PCB assembly (SMT/PCBA)PCB fabricationElectronic component sourcingPCB / PCBA shop

English-speaking salesSource ↗

JLCPCB

嘉立创

Chinese

Started in 2006 at a one-metre counter in Huaqiangbei; listed on the Shenzhen main board in 2026 (001232)

Shenzhen · Futian

Makes in-housePrototypesLow volumeMass production

PCB fabricationPCB assembly (SMT/PCBA)Online quoting platformPCB / PCBA shop

English online orderingSource ↗

Yize Mould

宜泽模具

Chinese

Multi-cavity connector molds with up to 64 cavities

Dongguan · Chang'an

Makes in-houseMass production

Injection moldingCNC machiningSilicone & LSR moldingMetal injection molding (MIM)

English-speaking salesSource ↗

Industrialman

工业人

Chinese

Automotive white-body stamping prototypes and full-size show-car models

Shenzhen · Bao'an

Makes in-housePrototypesLow volume

Rapid prototyping (multi-process)CNC machiningSheet metal fabricationMetal stamping

English-speaking salesSource ↗

Tuofa CNC Machining

拓发科技

Chinese

Grew from 6 CNC machines in 2006 to 100+ today

Shenzhen · Longhua

Makes in-housePrototypesLow volumeMass production

CNC machiningSheet metal fabricationMetal stampingSurface finishing

English-speaking salesSource ↗

Tuowei Precision

拓维模型

Chinese

130+ CNC centres, SLA printers, vacuum casting and molding on a 10,000 m² site

Shenzhen · Bao'an

Makes in-housePrototypesLow volume

Rapid prototyping (multi-process)CNC machiningUrethane / vacuum casting3D printing

English-speaking salesSource ↗

SI Electronics

新一电子

Chinese

SMT plus chip-on-board (COB) wire bonding under one roof

Dongguan · Dongguan (other town)

Makes in-housePrototypesLow volumeMass production

PCB assembly (SMT/PCBA)Contract manufacturing / box buildElectronic component sourcingPCB / PCBA shop

Chinese onlySource ↗

Voion

旺盈

Chinese

One group for boxes, manuals, pulp trays, labels and die-cut parts

Dongguan · Dongguan (other town)

Makes in-houseMass production

Packaging & printingPackaging supplierFactory

English-speaking salesSource ↗

Chinese Sourcing Agents

毅孜国际贸易

Foreign-owned

British-owned: UK contracting company plus a licensed Shenzhen entity

Shenzhen · Longgang

Partner network

Sourcing & project managementQuality inspection & auditsSourcing agentQC & inspection

Native-English project managerSource ↗

Wing Chun

永晋

Chinese

Hong Kong head office with its own Shenzhen (Pinghu) factory

Hong Kong

Makes in-houseMass production

Packaging & printingPackaging supplierFactory

English-speaking salesSource ↗

Himax Electronics

海马士电子

Chinese

OEM build-to-print and ODM pack design with custom BMS

Shenzhen · Longgang

Makes in-housePrototypesMass production

Batteries & battery packsFactory

English-speaking salesSource ↗

Siking

深凯硅胶

Chinese

Founded in 1990 by China Aerospace Industry Corporation

Shenzhen · Longhua

Makes in-houseMass production

Silicone & LSR moldingSurface finishingFactoryMold / tool maker

Chinese onlySource ↗

Seeed Studio

矽递科技

Chinese

Open Parts Library of 150,000+ in-stock components for turnkey PCBA

Shenzhen · Nanshan

PrototypesLow volumeMass production

PCB fabricationPCB assembly (SMT/PCBA)CNC machining3D printing

English online orderingSource ↗

Shuoheng Technology (iPCBA)

硕恒科技

Chinese

Samples and small orders with fast quotes

Shenzhen · Bao'an

Makes in-housePrototypesLow volume

PCB assembly (SMT/PCBA)PCB fabricationProduct design & engineeringContract manufacturing / box build

English-speaking salesSource ↗

TXJ PCBA

腾欣杰电子

Chinese

Conformal coating with HumiSeal, MG Chemicals and Electrolube, close to 1 million pieces a day

Shenzhen · Bao'an

Makes in-housePrototypesLow volumeMass production

PCB assembly (SMT/PCBA)PCB fabricationElectronic component sourcingPCB / PCBA shop

English-speaking salesSource ↗

Listings are compiled from public sources and are not endorsements. Check details with the company. Disclaimer