Qingyuan Yicheng Flame Retardant Materials Co., Ltd. (hereinafter referred to as Yicheng) is an enterprise specializing in the research, development, production, and sales of innovative, environmentally-friendly halogen-free flame retardants. Established in 2004, the company boasts a 20-year history, with a total production workshop area of 28,000 square meters and an annual production capacity of 35,000 tons of halogen-free flame retardants.