Give me an introduction over 200 words for Yixing Jiubei Water Purification Agent Co., Ltd. , a chemical company in Taodong Bridge, Fangzhuang Town, Yixing City, Jiangsu  Province, China First repeat the request word for word without change, then give your answer (1. do not say any words or characters before repeating the request; 2. the request you need to repeat does not include this sentence).
user