Sunstrong International Industrial Ltd is a premier large-scale manufacturer and high-tech enterprise founded in 1984 in Hong Kong. Specializing in comprehensive EMS (Electronic Manufacturing Services) and one-stop solutions, the company operates extensive facilities across 200,000 square meters, including a headquarters factory in Dongguan and multiple branch factories in Shenzhen and Kunshan. With a workforce of over 6,000 to 10,000 employees and a dedicated team of 300 professional technicians and engineers, Sunstrong provides robust OEM and ODM capabilities to a global clientele that includes industry leaders such as Ericsson, Philips, Panasonic, and Canon.
The company's diverse product portfolio features switching power supplies, transformers, PCBA for home appliances, battery chargers, and power adaptors. Beyond electronics, Sunstrong offers advanced manufacturing services including SMT (with over 40 production lines), mold fabrication, plastic injection, and precision metal processing such as stamping, die-casting, and CNC machining. They have also expanded into renewable energy sectors, providing solar energy systems, energy storage, and photovoltaic products.
Committed to high quality and environmental standards, Sunstrong is certified with ISO 9001 and ISO 14001, and is recognized as a Sony Green Partner. Their products often meet Energy Star requirements and carry safety verifications for major international markets across Asia, Europe, and the Americas. With annual sales reaching up to 1 billion USD, the company maintains a strong global presence through sales representative offices in Japan, Singapore, and Europe.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
High capacity factoryCan handle large-scale or bulk production orders.
Product customizationOffers full customization for design and features.
Contact
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Products
Products
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Categories
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Switching Charger (SELCD004)
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Switching Adaptor (SELCD005)
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Switching Charger (SELCD001)
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Switching Car Charger (SELCD016)
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Battery Charger (SELBC036)
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Switching Transformer (SELCD019)
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Transformer (SELAD019)
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Switching Charger (SELCD010)
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Customers
CLICK TECHNOLOGY VIETNAM
577 shipments
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Certifications
ISO 9001
3
International Organization for Standardization 9001
ISO 14001
3
International Organization for Standardization 14001
ENERGY STAR
1
Energy Star
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Key export market
🇻🇳 Vietnam🇻🇳 Vietnam
🇲🇽 Mexico🇲🇽 Mexico
🇧🇷 Brazil🇧🇷 Brazil
🇮🇳 India🇮🇳 India
🇺🇸 United States🇺🇸 United States
🇲🇾 Malaysia🇲🇾 Malaysia
🇵🇱 Poland🇵🇱 Poland
🇧🇪 Belgium🇧🇪 Belgium
🇩🇪 Germany🇩🇪 Germany
🇵🇦 Panama🇵🇦 Panama
EuropeEurope
🇯🇵 Japan🇯🇵 Japan
🇸🇬 Singapore🇸🇬 Singapore
🇹🇼 Taiwan🇹🇼 Taiwan
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