Sourcing Cluster Guide · Electronics
The factory floor of the Greater Bay Area — components, tooling and contract manufacturing at a scale few regions can match.
Dongguan sits between Shenzhen and Guangzhou and functions as the manufacturing engine of the Greater Bay Area. The city hosts one of the densest clusters of electronics factories, mould shops and precision-machining plants in the world — tens of thousands of manufacturers, with the Chang'an, Humen, Tangxia and Qingxi townships specialising in different links of the chain. A very large share of the world's power adapters, cable assemblies, PCBs and consumer-electronics sub-assemblies originate in or pass through Dongguan.
What distinguishes Dongguan from a pure assembly location is vertical integration. A single industrial park can contain a mould shop, an injection-moulding hall, an SMT line, a stamping department, a plating line and a final-assembly area, all under one quality system. That makes it the natural place for OEM and EMS work: brand owners hand over a BOM and a drawing, and receive finished, tested, packaged goods. Tooling lead times of 15–25 days and quick-turn PCB turnaround are routine, and most factories already hold ISO 9001, ISO 14001 and often IATF 16949.
The risk profile is different from Shenzhen's trading-market chaos. Dongguan suppliers are usually genuine factories, but they quote on incomplete drawings and under-specify on materials and tolerances, so the first article often drifts from the sample. Component shortages and BOM substitutions are the other common failure mode. A sourcing partner who audits the line, freezes the BOM, and signs off first-article inspection is what keeps a Dongguan programme on schedule.
OEM projects start with tooling (USD 2,000–20,000 depending on part size and cavitation) plus 500–1,000 pcs trial runs. Lead time runs 25–40 days after drawing approval for assemblies. Freeze the BOM in writing, require first-article inspection reports, and audit for component substitution — then book functional testing plus AQL 2.5 on the finished lot, not just visual checks.
21 representative product lines with typical export specifications. Every product below is available through our vetted supplier network in Dongguan, Guangdong.
Bare boards and turnkey assembly for consumer, industrial and automotive electronics.
| Layers | 2–12 layers, HDI and impedance-controlled options |
| Base material | FR-4 TG150/TG170, aluminium, Rogers for RF |
| Min trace/space | 3/3 mil, min hole 0.2 mm |
| Surface finish | HASL lead-free, ENIG, OSP, hard gold |
| Assembly | SMT 01005 to BGA, AOI + X-ray + ICT |
| Certification | IPC-A-610 Class 2/3, ISO 9001, IATF 16949 |
Overmoulded and hand-assembled harnesses for appliances and industrial equipment.
| Conductor | 18–28 AWG stranded copper, tinned option |
| Insulation | PVC, silicone, XLPE, TPU, 105 °C rated |
| Connectors | JST, Molex, TE, or equivalent; original on request |
| Testing | 100% continuity, hipot 1,500 V AC, pull test |
| Certification | UL, cUL, CE, RoHS, REACH |
| MOQ | 1,000 pcs per assembly |
Desktop and wall-mount adapters with interchangeable plugs for global retail.
| Output | 5–120 W, 5–48 V DC, ±5% regulation |
| Input | 100–240 V AC, 50/60 Hz, 0.5–2.5 A |
| Efficiency | DoE Level VI / ErP Lot 6 compliant |
| Protection | OCP, OVP, OTP, SCP, hiccup mode |
| Certification | UL/cUL, CE, GS, PSE, SAA, CCC, KC |
| MOQ | 1,000 pcs per power rating |
GaN PD chargers and multi-outlet strips with surge protection.
| Output | 30–140 W PD3.1, PPS support |
| Outlets | 3–8 AC outlets + 2–4 USB ports |
| Surge rating | 1,000–3,000 J MOV, 6 kV ring wave |
| Cord | 1.5–3 m, 16 AWG, SJT jacket |
| Certification | UL 1363 / ETL, CE, RoHS, FCC |
| MOQ | 1,000 pcs |
Tooling plus moulding for ABS, PC and PC/ABS housings with cosmetic finishes.
| Tooling | P20 / 718H / S136 steel, 1–8 cavities, 300k–1M shots |
| Moulding | 50–1,300 T machines, 0.5–3 kg shot weight |
| Materials | ABS, PC, PC/ABS, PA66+GF, TPU, food-grade PP |
| Finish | texture (VDI 18–33), high-gloss, soft-touch, IMD |
| Tolerance | ±0.05 mm general, ±0.02 mm critical |
| Lead time | 15–25 days for tooling, 7–12 days for moulding |
Metal brackets, heat sinks, shafts and housings for electronics and appliances.
| Processes | progressive stamping, deep drawing, CNC turning/milling |
| Materials | SPCC, SECC, SUS304, aluminium 6061/5052, brass |
| Thickness | 0.2–4 mm sheet, up to 12 mm machined parts |
| Tolerance | ±0.02 mm machining, ±0.05 mm stamping |
| Finish | zinc plating, nickel, anodising, powder coating |
| Certification | ISO 9001, IATF 16949, RoHS |
Compression-moulded silicone parts, gaskets and keypads with conductive pills.
| Material | silicone 40–70 Shore A, EPDM, NBR, FKM |
| Process | compression / LSR injection moulding |
| Features | conductive carbon pills, laser-etched backlight, P+R |
| Tolerance | ±0.05 mm, flash ≤ 0.05 mm |
| Certification | RoHS, REACH, FDA food-grade, UL 94 V-0 option |
| MOQ | 2,000 pcs |
Printed membrane keypads with tactile domes and EMI shielding.
| Construction | PET/PC overlay, 0.175–0.25 mm, 3M adhesive |
| Circuits | silver ink, carbon jumpers, copper flex tail |
| Tactile | metal or poly dome, 200–400 g actuation |
| Options | LED backlight, LCD window, EMI mesh, waterproof IP67 |
| Life | 1M–5M actuations |
| MOQ | 500–1,000 pcs |
2.4 GHz and dual-mode sets assembled and packed for retail brands.
| Connection | 2.4 GHz dongle + BT 5.0 dual mode |
| Sensor | 800–1,600 DPI optical, 1,600 DPI default |
| Battery | 1×AA or built-in 300–500 mAh, 3–12 months |
| Keys | scissor or membrane, 10M keystrokes |
| Certification | CE, FCC, RoHS, BQB |
| MOQ | 1,000 sets |
Call-centre and gaming headsets with ENC microphones and 2.4 GHz links.
| Driver | 40 mm, 20 Hz–20 kHz, 32 Ω |
| Microphone | noise-cancelling boom, -42 dB sensitivity |
| Connection | USB-A/C, 3.5 mm, or 2.4 GHz dongle |
| Battery | 300–800 mAh, 12–30 h talk time |
| Certification | CE, FCC, RoHS, Teams/Zoom compatible option |
| MOQ | 500 pcs |
Tuya-based plugs, relays and Wi-Fi/BLE modules for smart-home product lines.
| Module | ESP32 / Beken BK7231, 2.4 GHz Wi-Fi + BLE |
| Rating | 10 A / 16 A, 100–240 V, 2,300–3,680 W |
| Functions | energy metering, scheduling, voice control |
| Protocol | MQTT, Tuya cloud, local API option |
| Certification | CE, RoHS, FCC, UKCA, SRRC |
| MOQ | 1,000 pcs |
Folding and clamp desk lamps with CRI 90+ panels and USB charging.
| Light source | SMD 2835/4014 LED, CRI ≥ 90, 400–650 lm |
| Colour temp | 3,000–6,500 K adjustable, 5-step dimming |
| Power | 5–12 W, USB-C 5 V/2 A input |
| Arm | aluminium + ABS, 3-axis folding, 50,000 h life |
| Certification | CE, RoHS, ETL/FCC for US, IEC 62471 photobiological |
| MOQ | 1,000 pcs |
Personal cooling fans with brushless motors and 2,000–5,000 mAh batteries.
| Motor | brushless DC, 3–5 speeds, < 35 dB(A) |
| Battery | 2,000–5,000 mAh, 4–15 h runtime |
| Blade | 5–7 blade, 3–6 inch, 3.5–5 m/s airflow |
| Charging | USB-C 5 V/2 A, 3–4 h |
| Certification | CE, RoHS, UN38.3, FCC |
| MOQ | 1,000 pcs |
Amplifier boards, BT modules and driver units for audio brands.
| Module | BT 5.3, 2×5 W / 2×20 W Class-D amp |
| Driver | 40–66 mm, 4 Ω / 8 Ω, 3–20 W RMS |
| Inputs | BT, AUX, USB, TWS pairing |
| THD | < 0.1% at 1 kHz, half rated power |
| Certification | CE, RoHS, BQB, FCC |
| MOQ | 1,000 pcs |
2.5D/3D tempered glass with AB glue, privacy and matte finishes.
| Thickness | 0.2 / 0.33 / 0.4 mm, 9H hardness |
| Glass | AGC / CSG Japanese glass, 4–6 h toughening |
| Adhesive | AB glue, full-coverage or frame-only |
| Options | privacy, matte, blue-light, anti-burst |
| Packing | foam box with installation kit |
| MOQ | 500 pcs per model |
Fixed and autofocus camera modules for kiosks, robots and IoT devices.
| Sensor | 1 MP–13 MP, 1/2.8" to 1/4" CMOS |
| Interface | USB 2.0 UVC, MIPI CSI-2, DVP |
| Lens | 2.8–12 mm, fixed or AF, 60°–120° FOV |
| Frame rate | 30 fps at full resolution, 60 fps at 720P |
| Certification | CE, FCC, RoHS, UVC plug-and-play |
| MOQ | 500 pcs |
Qi transmitters plus wound coils and ferrite sheets for OEM integration.
| Output | 5 W / 10 W / 15 W Qi |
| Coil | single or double layer, 0.08 mm copper, ferrite 0.3 mm |
| Efficiency | ≥ 72%, FOD detection |
| Housing | ABS + silicone, 6–10 mm thickness |
| Certification | Qi, CE, FCC, RoHS |
| MOQ | 1,000 pcs |
PIR motion, door/window, smoke and water-leak sensors for security lines.
| Detection | PIR 8–12 m / 110°, 868/915 MHz or Zigbee |
| Battery | CR2032 / CR123A, 1–3 years standby |
| Protocol | Zigbee 3.0, Z-Wave, Wi-Fi, or RF 433 |
| Ingress | IP20 indoor, IP65 outdoor models |
| Certification | CE, RoHS, EN 14604 for smoke, FCC |
| MOQ | 1,000 pcs |
Low-voltage personal appliances assembled and drop-tested for e-commerce.
| Voltage | 5 V USB or 100–240 V, 50/60 Hz |
| Power | 3–25 W, DC brushless motor |
| Tank | 200–500 ml (humidifier), 8–20 h runtime |
| Testing | 1.2 m drop test, 4 h burn-in |
| Certification | CE, RoHS, ETL, UN38.3 where battery |
| MOQ | 1,000 pcs |
Moulded plug inserts (EU/US/UK/AU) and detachable cordsets.
| Standards | CEE 7/16, NEMA 1-15P, BS 1363, AS/NZS 3112 |
| Rating | 2.5 A / 250 V, 10 A / 125 V |
| Cable | H03VVH2-F / SVT, 0.75–1.0 mm², 1.5–3 m |
| Moulding | PVC or TPE, 1,000+ pull cycles |
| Certification | VDE, UL, BSI, SAA, KC |
| MOQ | 5,000 pcs |
Printed cartons, blister packs, and PDQ displays produced alongside the product.
| Materials | 350–450 gsm C1S/C2S, corrugated B/E flute, PET blister |
| Printing | offset CMYK + spot, matte/gloss lamination, foil |
| Finishing | die-cut, magnet closure, EVA insert, window patching |
| Testing | ISTA-1A/3A drop and vibration |
| Artwork | free dieline and 3D mock-up before tooling |
| MOQ | 1,000–3,000 pcs per SKU |
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