LVD-HD represents a joint trademark jointly produced by Belgium LVD Sheet Metal Equipment Company and Hubei Sanhuan Huangshi Forging Machinery Equipment Co., Ltd. The Huangshi Forging Equipment sold by Belgium LVD Company is a joint trademark of LVD-HD at home and abroad. Hubei Sanhuan Huangshi Forging Co., Ltd. unified the domestic and foreign trademarks YSD in 2009, and the equipment sold by Hubei Sanhuan Huangshi Forging Co., Ltd. was named after YSD trademark.