Beijing Shengyuan Tonghai Equipment Co., Ltd. is a professional manufacturer and trader of LED writing boards, LED fluorescent boards, LED signages and other LED products, interactive whiteboards, smart boards and PVD coating units and also innovative products and environmentally friendly products. Our company was founded by experts, dedicated to offering better products and professional services to our customers. We have abundant experience in international distribution. Our goal is to make development of the industry for satisfaction of our customers.