Granville Shenzhen Tiancheng Technology Co., Ltd. was founded in 2004, mainly engaged in all kinds of high, low-frequency transformers, ballast (ballast) and the resistance coil, adapter (rectifier). Switching power supply, such as product design development and production, annual production capacity of 1000-1500 million units. Product sales Americas, Europe, Australia, Japan, Korea and other countries and regions. Product certification includes the American UL CUL, European GS CE, British BS CE, Australia SAA, Japanese PSE, Korea EK-MARK, CHINESE CCC CQC a total of more than 30 series, some 3000 models. Environmental protection and has established production system, products can meet the ROHS environmental protection standard, non-toxic PAK standard requirements. At the quality of management, the company strictly in accordance with ISO9001-2000 system is running (has been achieved in 2004 with TUV ISO9001 certification) to ensure that quality products and the continued efficient service to satisfy all customers.