Xiao Yang Song

WD Silicone Co., Ltd. engages in the research and development, production, sales, technical services and technology transfer of fine silicone new materials. Its products are categorized into building protection series and family protection series. Its products include silicone advanced weathering exterior wall coating; silicone liquid coil; silicone quick-acting waterproof spray; silicone anti-rust anti-corrosive paint; silicone cracking treasure; advanced weathering waterproof wood oil; building facade, roof special advanced waterproofing agent; Advanced weathering waterproofing agent for roads, bridges, piers and culverts; advanced waterproofing agent for kitchen, bathroom and basement; advanced weathering and waterproofing agent for large piers, bridges and culverts; advanced waterproofing agent for basement and culvert; Molecular wallpaper base film. The company was founded on December 19, 2000 and is headquartered in Wuhan, China.

Henan Zhengjia Green Energy Co., Ltd. engages in the research and development, production, and sale of polyacrylamide and drag reducer products. It also offers oil production supporting intelligent equipment, on-site technical services, and operations management. The company was founded by Song Yin Liu on December 29, 2007 and is headquartered in Xinzheng, China.

Donview Group Ltd. engages in the provision of projectors and interactive whiteboards (IWB) products primarily for the education and business markets. It operates through the Wholesale and Brand business segments. The Wholesale business segment is principally engaged in wholesaling of projectors, and related audio visual (AV) and other accessories primarily under Japanese brands in China. The Brand business segment includes proprietary brands, namely Sonnoc brand for projector category targeting the end markets of education, business and large venue sectors; Donview brand primarily for IWB category, and co-owned brand Propix for laser projectors targeting the education sector. The company was founded on November 23, 2018 and is headquartered in Beijing, China.