J.Combo Electronics Co. Ltd.

Orientronic Manufacturing Ltd.









We specialize in the manufacturing of industrial and consumer-grade power transformers, adapters, ballasts, and wire-wound coils. 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, TUV, CSA, CCEE, GS, and BS approved. To guarantee consistent product quality, our manufacturing processes conform to the industry recognized ISO 9002 quality assurance model, and we have been granted ISO 9002 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 :C6,13/F., Wing Hing Ind Bldg., 14,Hing Yip St., Kwun Tong, Kowloon, Hong Kong
Telephone Number :(852) 2763 0207 (3 LINES)
Fax Number :(852) 2797 9488

Factory :

Address : No.6-2, Guang Tang West Road, Tang Dung Village, Tian He, Guang Zhou, Guang Dong Province, China
Telephone Number : 86-20-82321971
86-20-82321601
Fax Number : 86-20-82321965

Email address : info@jcombo.com.hk