Changsha Bayue Instrument Co., Ltd. is registered at No. 2203, Building 1, Boya Exception, No. 59 Kaiyuan East Road, Xingsha Street, Changsha County, Hunan Province. The registration authority is Changsha County Market Supervision Administration, and the legal representative is Cha Wangjun. The business scope includes the sales of general instruments, environmental protection equipment, scientific testing instruments, optical instruments, scientific and educational equipment, glass instruments, electronic instruments, and grain and oil testing and analysis instruments; Wholesale of electronic products; Sales and operation of environmental online monitoring equipment; After sales service for instruments and meters; Research and development of electronic instruments; Installation and commissioning services for instruments and equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)