Jingkou District, situated in the main region, is the political, economic and cultural center. Experiencing the rapid development in reform and open, “Eighth Five-Year Plan” and “Ninth Five-Year Plan”, four leading industries has been formed in the administrative zone.
    Metallurgical Industry: Hongtai Metal Products Co., Ltd. and Dingsheng Aluminum Industrial Company as the head of the metallurgical industry mainly produce aluminium foil material, rib steel, section steel, etc.
    Chemical Industry: Zhongsheng Hi-tech Chemical, the main enterprise in the biochemical industry, offers oil, medical products, etc. Pigment Plant, Jinsheng Chemical Co., Ltd. Jinbao Adhesive Company, as the head in fine chemical industry, produce phthalo cyanine pigment, adhesive, chloroacetic acid, flame coatings.
    Building and Decoration Material Industry: Yuanding Decoration Material Co., Ltd., Shunyu Decorations Co., Ltd., Yuantong New Wall Material Company, as the head in building and decoration material industry, produce high-grade curtain, window decorations, fire-proof material, fire-proof door, concrete, powder cement, building material.
    Electromechanical Industry: Baohua Trailer Accessory Co., Ltd., Zhendong Electrooptical Source Company, Zhenkai Electronic, Zhongmei Electronic Research Institute, Keda Electricity Co., Ltd., as the head in mechanical and electronic industry, saddle seat, air suspension, accessories for automobile and car, lamp head, mine monitoring system, reactive-load compensation complete equipment, distribution and transforming load monitors, intelligence temperature control system.
    Jingkou District relies on its industrial advantages, makes a breakthrough at special industry and focuses on the development of metallurgical, chemical, building and decoration material, mechanical manufacture, electronic information, food, new material, garments, commercial trade industries. In addition, Jingkou encourages the development of unique travel and supports the development of modern agriculture and mudflat industry in coastal regions.