Shek Pai-Fu Yuan electronics factory in Dongguan are switching power supplies, power adapter, battery charger, LED driver manufacturer. To rely on engineers team with 20 years experience, technology as the core, 60W-250W power products is the leader in the power industry, enhances "good source" brand's core competitiveness. Products by 0.9W-250W (3V-58V output voltage, output current 300mA-9900mA) all 600 model series through the United States UL, Canada cUL, and CSA, European TUV/GS, CE, United Kingdom BS, Australia SAA, and C-Tick, Korea EK, Japan PSE, as well as RoHS, FCC, LVD, EMC and the CEC, and MEPS, EUP, CB and CCC of China compulsory certification, for the QQ sweeping machine, Electric, and battery (lead acid battery, polymer lithium battery, phosphate iron lithium battery, nickel hydrogen battery, nickel CD battery), and electric toy, and motor massage instruments, and monitoring system, and precision detection measurement instrument, and computer around, and print image device, and home audio amplifier, and LED indoor lighting, and digital communications, and LCD, and LED LCD monitor, and LED outdoor lamps, production manufacturers export developed or area of main suppliers.