Yes Kaisa Island is an island in the middle reaches of the Yangtze River, located in Wu Jie Town, Tongzhou District, Nantong City, Jiangsu Province. Kang Hui New Materials Technology Co., Ltd. is located in Kesha Rose Sebert Island, Tongzhou District, Nantong City. Projects include road freight transportation (including dangerous goods), production and management of dangerous chemicals, and import and export of goods and technologies.