Additional information: Chongqing Dobang Science and Technology Co., Ltd. was founded on November 01, 2001, the registered office is located in Chongqing Shapingba District, Zhenhua Road, No. 41, attached to No. 1, the legal representative of the legal representative is Wang Yongping. The scope of business includes research and development, production, sales, maintenance and technical services of hydrological instruments (engaged in business according to the approved period of the license); electronic and intelligent engineering professional contracting grade II (with the relevant qualification certificates to practice); municipal facilities and equipment, hydrological monitoring equipment, environmental protection products and energy-saving products, research and development, production, sales, maintenance and technical services; new energy and energy-saving technology development; bio-engineering technology development; Scientific research achievements; computer hardware and software technology development, sales, maintenance and technical services; sales: general machinery, electrical machinery and equipment, instruments and meters, machinery and equipment, metal materials; computer information system integration; environmental pollution control; sewage treatment system equipment, water treatment system equipment, medical wastewater treatment equipment, medical wastewater disinfection equipment, disinfection equipment, water reuse treatment equipment, electromechanical equipment R & D, production, sales, maintenance and technical services; housing rental. (The above business scope of national laws and regulations prohibit the operation of business, national laws and regulations should be approved by the approval and shall not be engaged in business before approval) Chongqing Dobang Science and Technology Co., Ltd. foreign investment in two companies, with three branches.