Manufacturing of new membrane materials; sales of new membrane materials; manufacturing of plastic products; sales of plastic products; manufacturing of paper products; sales of paper products; sales of packaging materials and products; sales of metal materials; sales of building materials; sales of needle textiles; sales of chemical products (excluding licensed chemical products); retail of computer software, hardware and auxiliary equipment; wholesale of computer software, hardware and auxiliary equipment; retail of auto parts and accessories; wholesale of auto parts and accessories; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; wholesale of hardware products; retail of hardware products; import and export of goods; technology import and export. Licensed items: printing of specific printed matter; printing of packaging and decoration printed matter; printing of documents, materials and other other printed matter; printing of printed matter binding services; printing of publications.