Hangzhou Gold Coin Electronic Co., Ltd.is a leading company of No. 52 Electronic Institute Ministry in information industry and a member of LED ISOC China. We specialize in LED researching and developing and we have already obtained ISO9000 certification. Our main products are different indoor and outdoor, single-color and double-color LED displays. Based on strong technical ability and professional development capacity, we can develop and produce various products according to customers'' special requirements. Since 1982 till now, we have obtained customers all over the world. There are more than 100 new clients each year. With decades of development and accumulated experiences, our company has been one of the major suppliers of LED products in China. Please feel free to contact us for further details. We are looking forward to forming a profitable business relationship with your company in the near future.