The registration address of the liga instrument limited in the city is located in room 201, no. 11, on the streets of the city of guangdong city, on the street of ishi dang drum road, in guangdong province. The registration authority is the market supervision authority of the city of dong jing city, represented by a legal person, li tsing, operating in the areas of production, development and leasing: detection instruments and accessories, precision electronics, industrial materials, automation equipment; instrument testing services; software development and marketing; and import and export of goods. (projects subject to legal approval to operate with the approval of the relevant department)