HISUN in NEW YORK, USA: HISUN built integrity LED Show Room in New York, USA, and Chain LED Exhibition Room in other states in USA챦쩌�including all LED products in China, which provides a window for opening international market. HISUN in Wuhan, China: HISUN Optoelectronics(WUHAN) Co.,Ltd was set up in Optics Valley of China창��창��Wuhan, in April, 2006. HISUN Optoelectronics(WUHAN) Co.,Ltd belongs to wholly-owned subsidiary of Hisun Optoelectronics Co., Ltd.HISUN specialized in R&D,production and sales of LED lighting products. We have professional engineers and high level production line.We are always striving for producing the high quality products and supplying the best service to clients. QC department help our customers supervise the product quality strictly. We also can expand the quality guarantee time according to your personal demands, to ensure you satisfy our products and service. HISUN in Zurich, Switzerland: R&D center was set up in September, 2005.