General projects of Jiangsu Maizhan Greenhouse Technology Co., Ltd.: Greenhouse gas emission control technology research and development; Sales of greenhouse gas emission control equipment; Installation and maintenance of specialized machinery for agriculture, forestry, animal husbandry and fishery; Agriculture, forestry, animal husbandry, deputy, fishery professional machinery sales; Machinery and equipment sales; Metal processing machinery manufacturing; Non-ferrous metal calendering processing; Metal material sales; Sales of plastic products; Metal structure manufacturing; Metal structure sales; Machinery parts, spare parts processing; Sales of machinery parts and spare parts; Sales of metal tools; Hardware products retail; Agricultural machinery sales; Intelligent agricultural management; Internet of Things technology services; Metal material manufacturing; Thermal insulation material sales; Agricultural film sales; Agriculture, forestry, animal husbandry and fishery machinery parts manufacturing; Agriculture, forestry, animal husbandry and fishery machinery parts sales; Heat and sound insulation material sales; Sales of metal parts for construction; Sales of building materials; Sales of anticorrosive materials; Agriculture and horticulture services; Lease and generation management of flowers and plants; Agricultural specialties and ancillary activities