Nantong Seidelong Glass Products Co., Ltd. was established in 1978. Its market share of similar products in China's Yangtze River Delta region is over 90%, and 95% of its products are exported to European and American markets. In order to further expand international business, the company's main shareholder invested and established in 2010. Nantong Shengdong Import and Export Co., Ltd. specializes in the export business of glass handicrafts. In September 2015, the company invested 110 million yuan to establish Nantong Kebolai Arts & Crafts Co., Ltd., which is mainly engaged in the research and development of glass and the artistic processing of glass, and further promotes the export of glass gifts.