Dongguan Changsheng Instrument Equipment Co., Ltd. is registered at Room 704, Unit 2, No. 99 Yuanling Road, Guancheng Section, Guancheng Street, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration Bureau, and the legal representative is Lu Shiyu. The business scope includes research and development, design, and sales of instruments, meters, hardware and electronics, tools, measuring tools, general mechanical equipment, consumables, and their accessories; Repair and maintenance: instruments and equipment, general mechanical equipment, electronic tools, measuring tools. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)