Shenzhen Topbond Co., Ltd. (002139)
Shenzhen tophan Co., Ltd. was founded in 1996 in the Shenzhen high tech Industrial Park, which is known as "Silicon Valley" of China Science and technology. After more than ten years of rapid development, Tophan has developed into a top-ranking provider of intelligent control solutions in China with China's leading intelligent control technology as the core and continuously expanding its application field. The industry covers the fields of home appliance control, high efficiency lighting, automobile electronics, mobile power supply, motor, security, industrial automation and digital electronic, and its products are sold in dozens of countries around the world. The business units of tophan Co., Ltd. include: TOPO mobile power supply, tophan automotive electronics, TOPO micro electric, topology security, and topology motor.