The registered address of beijing china chong tiancheng science and technology ltd. Is 1408th floor, located on the seventh floor of the 26th floor of ishikiyama street in beijing city. The registration authority is the monitoring authority of the ishikiyama market in beijing city, represented by the legal person zhang wei, which operates in the areas of technology development, technical services, technology transfer, advertising, sales of automated control equipment, chemical products (without dangerous chemicals), construction materials, instrumentation, computers, software equipment and peripherals. (an enterprise shall, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project shall, in accordance with the law, operate its activities in accordance with the approved content, subject to the approval of the relevant sector; and it shall not engage in activities in which the industrial policy of the municipality prohibits or restricts the operation of projects of its kind