Prototype-to-production NPI management for foreign hardware teams, on site in Mandarin
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SI Electronics
新一电子SMT plus chip-on-board (COB) wire bonding under one roof
Dongguan · Dongguan (other town)Siking
深凯硅胶Founded in 1990 by China Aerospace Industry Corporation
Shenzhen · LonghuaFounded by quality engineer Renaud Anjoran, author of QualityInspection.org
Hong KongBegan in 2003 as Seasonal Visions, a Halloween and Christmas décor supplier
Dongguan · Chang'anSYS Technology
商一科技Fast-turn SMT: rush from 6 hours, samples in 3–4 days
Dongguan · Dongguan (other town)In-house tool shop next to the casting floor
Dongguan · Dongguan (other town)TESTCOO
测库"Internet Plus Inspection": online booking since 2015
Shenzhen · LonggangEuropean founders running custom packaging through partner printers in Guangdong
Hong KongPrototype-to-production NPI management for foreign hardware teams, on site in Mandarin
ShenzhenGrew from 6 CNC machines in 2006 to 100+ today
Shenzhen · LonghuaTuowei Precision
拓维模型130+ CNC centres, SLA printers, vacuum casting and molding on a 10,000 m² site
Shenzhen · Bao'anTXJ PCBA
腾欣杰电子Conformal coating with HumiSeal, MG Chemicals and Electrolube, close to 1 million pieces a day
Shenzhen · Bao'anNorth American EMS with a Dongguan plant opened in 2025
Dongguan · Dongguan (other town)Started in 2003 making bespoke parts for Raymarine
Shenzhen · LonggangVoion
旺盈One group for boxes, manuals, pulp trays, labels and die-cut parts
Dongguan · Dongguan (other town)Hong Kong head office with its own Shenzhen (Pinghu) factory
Hong KongYize Mould
宜泽模具Multi-cavity connector molds with up to 64 cavities
Dongguan · Chang'anYUTO
裕同Shenzhen-listed packaging group (002831) with 40+ production bases
Shenzhen · Bao'anMIM as the core business, with its own tooling, debinding and sintering
Dongguan · Dongguan (other town)17,000 m² Guangming plant with Heidelberg Speedmaster XL presses
Shenzhen · GuangmingSimcone
世弘Custom silicone rubber keypads since 2008
Shenzhen · GuangmingStarted as a pulp-tray mold maker in 2003; cuts its own molds on CNC
Dongguan · Dongguan (other town)Listings are compiled from public sources and are not endorsements. Check details with the company. Disclaimer