J.Combo Electronics Co. Ltd.

Orientronic Manufacturing Ltd.









We specialize in the manufacturing of industrial and consumer-grade power transformers, adapters, ballasts, wire-wound coils, wireless controller and lighting fixtures. We offer a complete selection of transformers in a number of core configurations, including EI-laminated, UI-laminated, and toroidal core.

Our transformers are used in applications such as electrical meter equipment, consumer electronics, lighting products, and much more. Safety standards are important to us, so many of our products are UL, ETL, TUV, CE, GS, and BEAB approved. To guarantee consistent product quality, our manufacturing processes conform to the industry recognized ISO 9001 quality assurance model, and we have been granted ISO 9001 certification by the Germany Rheinland Technical Inspection Association.

We have established our reputation as a quality provider to OEM producers and wholesale distributors in North America, Europe, and China. Our 85000 sq. ft. manufacturing facilities, located in GuangZhou, employs 500 people who help to produce an output of up to 10 million units annually.

As of 2001, Orientronic Manufacturing Ltd. is a wholly-owned subsidiary of J. Combo Electronics Co., Ltd. (established in 1986). It was originally co-founded as a joint-venture in 1991 by J. Combo to promote a reduction in manufacturing costs through the migration of its facilities from Hong Kong to China.

We are committed to providing top-quality products, with our customers' satisfaction as our first priority.


Hong Kong Office :
Address :Flat K, 3/F, Blk 1, Kwun Tond Ind Centre,
472 - 484 Kwun Tong Road, Kwun Tong,
Kowloon, Hong Kong
Telephone Number :+852-2763 0207
Fax Number :+852-2797 9488

Factory :

Address : No.6, Zhongjiazhuang North Road,
Shigangdong Village, Dalong Street,
Panyu District, Guangzhou City,
Guangdong Province, China
Telephone Number : +86-20-6684 0298
Fax Number : +86-20-6684 0297

Email address : info@jcombo.com.hk