The registration address of deep-shang tsai ltd. Is located in the stone streets of shenzhen city, in the rock streets of shenzhen city, at the sen heinoko building, no. 1, and is the shenzhen market supervision authority, represented by a legal person, and covers the development and sale of instrument instruments, security equipment, industrial control equipment, sensors, gas analysis instruments, automated systems and industrial engineering systems; domestic trade; and the import and export of goods and technology. E-commerce; development and sale of computer software, goods network products, information systems software; integrated circuit design, research and development; technical research and development of environmentally friendly products, technical advice. Gas and air environment monitoring instrument, water quality online monitoring sensor instrument, soil online monitoring sensor instrument, gas analysis instrument development, product design and marketing. General mechan...