Give me an introduction over 200 words for Zhangjiagang Xingyu Technology Co., Ltd. , a chemical company in 18#, Building 12, Tangqiao Business & Trade City, Zhangjiagang, Jiangsu 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