The registration address of jiangsu lightstone science and technology ltd. Is located at no. 8 of the jinbei town industrial central area in king lake county, with the registration authority being the administration and approval authority of king lake county. The legal entity is represented by the mankind army, which operates in the areas of vacuum pumps, steam tanks, non-weaving machinery, printing machinery, delivery machinery, vacuum drying equipment, mechanical accessories, waste processor development, production, sale, installation and post-sale maintenance services; hydraulic systems, specialized equipment for food production, mechanized agricultural and horticultural equipment production, sale of electronic counter-measurers, rental of machinery and equipment for construction works; basic software services; construction works for the smartness of buildings; construction of microbicides, plant extraction, organic fertilizer, microbial fertilizer, hydro-fertilation research and development, sale; technical engineering and engineering equipment for the export of contractually contracted engineering and engineering equipment from the state for the purpose of technical engineering and engineering services, and the export of contractually contracted technical engineering equipment and engineering equipment, as well as technical engineering equipment, for the export of industrial engineering and engineering and engineering services. (projects subject to legal authorization and subject to authorization by the relevant authorities to carry out business activities) general projects: property administration; garage services; repair of electrical equipment; literary creation; management of tourist attractions; sale of automobiles; sale of new energy cars in their entirety; electrical and cable operations; sale of cement products; sale of construction materials; sale of rain sheds; sale of metal materials; sale of steel-stretch products for construction; wholesale distribution of hardware products; retail sale of hardware products; sale of new membrane materials (run autonomous activities under a licence except for projects subject to legal authorization)