... in Dongguan City. Our company has more than 20 years experience in power development and production, with ... staff are Hi-tech employees, 30 senior engineers, 20 senior supervisors, 30 Q.C, 300 assembling workers. ... both in Taiwan and the mainland, established a 20,000 sqm factory in China equipped with 4 ... . Our main products are power adapter & lead acid battery charger ,which are all complied with UL ...