Manual Highly Durable Oxygen Concentrator

Scope: medical supplies and equipment retail. Medical supplies and equipment retail. Class I medical devices, class II medical devices, class III medical devices, edible agricultural products, maternal and infant products, shoes and hats, bags, cosmetics, furniture, electronic products, leather products, wood, chemical products (except dangerous, precursor, monitoring, highly toxic chemicals and products specially controlled by the state), general merchandise, building metal accessories, building materials (without storage) Sales of electronic components and mechanical and electrical equipment, instruments and meters, needle textiles, metal materials, labor protection articles, office supplies, sporting goods and equipment, arts and crafts and collectibles (excluding cultural relics, circulating RMB binding and framing articles, ivory, rhinoceros horn, tiger bone and their products), jewelry and diamonds (excluding cultural relics); retail of publications; food business; Import and export of goods. (for projects that need to be approved according to law, business activities can only be carried out with the approval of relevant departments