Sanchang Town ranks among the top 1,000 towns in China, is an advanced town with comprehensive strength, and ranks first in Haimen City in industry. There are more than 0/00 enterprises in the town, including 5 enterprises with an output value exceeding 100 million yuan: Nantong Special Steel Plant, Haimen Chemical Raw Materials Factory, Nantong Longxiang Chemical Co., Ltd., Jiangsu Life Group Co., Ltd., Nantong Xinjinjiang Printing and Dyeing Co., Ltd. and 24 foreign-funded enterprises. It has formed an industrial system with complete categories such as chemical industry, metallurgy, light industry, electronics and textiles. The Feipao brand super-large diameter stainless steel seamless steel pipe produced by Nantong Special Steel Factory fills the domestic blank, and the austenitic stainless steel cold-rolled pipe is included in the national torch plan. Nantong Hua Xiong Electronic Materials Co., Ltd. obtained the national patent for the composite conductor, and the ultra-light double-track conductor was included in the provincial key products. "Light of Life" medical devices, health underwear and other products produced by Jiangsu Life Group sell well in domestic and foreign markets, and are high-tech products in Jiangsu Province. The town also has the largest permanent purple production base in China, such as Ruifeng Chemical Company and Haijia Chemical Company. The town has a solid industrial foundation and strong scientific and technological strength, with 3 high-tech enterprises above the provincial level.
The investment environment in Sanchang Town has been continuously optimized, and the industrial parks in the western, southern and eastern suburbs have entered a benign development track. Xijiao Industrial Park covers an area of 1.200 mu, focusing on developing industries such as light industry and textile, while Nanjiao Industrial Park focuses on developing industries such as chemical industry, printing and dyeing, and Dong Jiao Industrial Park covers an area of 2,000 mu, focusing on developing industries such as machinery and textile.