GALAXY ELECTRONICS (SHENZHEN) Co., Ltd, located in Shenzhen, China, was founded in 2004, and was always specialized in offering perfect power solutions for laptop computer and other portable devices. The main products are laptop battery, Digital Camera battery, Camcorder battery, PDA battery, Cordless phone battery, AA/AAA Charger and laptop AC/DC adapters!

Signi Abrasive & Diamond Tools Co., Ltd. Was founded in 1996 and located in Shanghai, China.

Shenzhen Ouliyang Technology Co., Ltd. is specializing in the research and development, production and sales of new green energy products and lithium battery pack for more than 10 years. The company founder started it with a vision, a vision that wants to give the world new energy, and wanted to make an impact and give wings to their dreams and passions. Till now, Ouliyang products involve portable power station, flexible solar panel, home energy storage system, deep cycle lithium iron phosphate battery pack, replacement drone battery pack, medical battery, two way radio battery and other lithium battery pack that's widely used in ebike, scooter, PDA, POS devices, etc. With the effort of the Ouliyang team work, the company has got UN38.3, MSDS, CE, FCC certificates for the most of products already and build a long term relationship with the clients from the worldwide and get a good reputation from the clients.