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About SIL

Sunstrong International Industrial Ltd was founded in 1984 in Hong Kong. The headquarter factory that located in Tangxia, Dong Guan, was set up in 1994. Subsequent branch factories: Shenzhen Shun Yue, Dong Guan Yilisha, Gaoli and Kunshan, were established in 2003, 2004, 2007 and 2016 respectively.  In addition, Japan sales representative offices were set up in 2014 and Singapore in 2016. By sticking to company’s philosophy of “Strive for Excellence, Customer First”, Sunstrong International has grown its professional expertise in manufacturing industry and become a company that provides premium services with competitive price.

Sunstrong International Industrial Ltd is an EMS provider as well as a leading manufacturer specializing in producing transformers, switching power supplies, PCBA, precise metal parts, lighting equipment.  To ship our products worldwide, Sunstrong International has obtained safety certification of various regions such as Asia, Australia, Europe, America and Africa. Our products are sold to customers all around the world with annual sales of 300 million USD (approximately). Sunstrong International serves large pool of reputable customer bases that include some of the most renowned international electrical companies. They are either Power Tool companies or Home Appliances companies listed on the Fortune 500. Our major customers are Ericsson, Philips, Panasonic, Plantronics, SEB, Casio, Canon, Continental, Cisco, Honeywell, Eaton, Electrolux, Humanscale, Bissell, Remington, Harman/Kardon, Braun, Conair, Cooper Lighting, Coleman, Ctek, Sloan Led, Delonghi, Sennheiser, Karcher, Axis, Detla-Q, Noco, Valeo, and etc.

Sunstrong International is an organization with approximately 6000 employees in which 300 of them are professional technicians and experienced engineers, holding a total area of 200,000 square meter.  Through rapid expansion in the past few years, Sunstrong International now equipped with systematic manufacturing policy, experienced R&D, expertise quality assurance team along with various precise manufacturing and testing machines.

In 1998, Sunstrong International obtained TUV ISO9001 certification. Moreover, we obtained qualifications of “SONY Green Partner” in 2003. In 2005, we obtained DNV ISO9001 and ISO14001 certification.

To fulfill RoHS requirement, we have similar testing equipment as third party testing organization, including ICP, GC-MS and etc. Our ICP lab was built in 2005. GS-MS, UV and other testing equipment were purchased in 2007. Nowadays, our RoHS lab is capable to detect six kinds of RoHS restricted elements and other EU restricted substance, with the precision and test accuracy been approved by various countries.

From 2005 to 2010, Sunstrong International put a lot of resources on the expansion of production facilities and test equipment.  Production capacity had been largely increased in this period owing to the increasing business with key clients.  Through our expansion, we have setup more than 40 sets of SMT machines production line in 2016.   New layout of SMT workshop in 2016 helps improve production yield massively.

At year 2011, Sunstrong International have invested $50 million on our subsidiary branch Yilisha Metal to extend our product categories such as Diecasting, Automation production line, Stamping, Packaging, Metal sheeting and CNCs.

With over three decades of experience , Sunstrong International Group now possess a strong team of professional personnel,  dedicated to serve its customers to meet their requirements with top notch products and services.