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　　Zhenjiang Xingxing Flame Retardant Co., Ltd. was established in 1991 and is located in Zhenjiang, Jiangsu, a city renowned for its culture and history. Situated within the Jiangsu Zhenjiang New Area International Chemical Industrial Park, the company covers an area of over 30,000 square meters and specializes in the production of halogen-free environmentally friendly flame retardants such as ammonium polyphosphate (APP). With independent research and development capabilities and fully automated production lines, the company successfully developed and began producing high-polymerization-degree APP with a polymerization degree exceeding 1,000 in 1999. Its flame retardant products include high-molecular-weight crystalline type II ammonium polyphosphate series, melamine polyphosphate, and others. These products are sold throughout China and exported to countries in Europe, North America, Southeast Asia, and beyond.