TOP B&B Electronic Technology Co., Ltd. was established in August 2010 and is located at No. 26 Jiangnan Road, Shijie Town, Dongguan City, Guangdong Province. The company's management team focuses on the design and development of BOBBIN (Surface Mount Electronic High Frequency Transformer Line Frame), professional production and mold development, sales and service integration. It is one of the highest quality surface mount line frame manufacturers both domestically and internationally.

The products are mainly divided into three categories: SMD BOBBIN, SMD BASE, and SMD CASE, COVER&HEADER. The products are widely used in fields such as automotive electronics, new energy and power supply, communication electronics and the Internet of Things, smart home and lighting.