Btech Trading Service Engineering Company Limited

Economic Branch

• Installing electricity [power] systems
• Installing water supply and drainage, radiator and air-conditioning systems
• Installing water supply and drainage systems
• Installing radiator and air-conditioning systems
• Installing other construction systems
• Completing construction works
• Other specialized construction
• Wholesale of agricultural and forestry raw materials (excluding wood, bamboo and other species of bamboo) and livestock
• Wholesale of rice, corn and other grains
• Wholesale of flowers and trees
• Wholesale of livestock
• Wholesale of food and raw materials to produce feed for cattle, poultry and aquatic products
• Wholesale of other agricultural and forestry raw materials (excluding wood, bamboo and other species of bamboo)
• Wholesale of rice
• Wholesale of food products
• Wholesale of meat and meat products
• Wholesale of aquatic products
• Wholesale of vegetables and fruit
• Wholesale of coffee
• Wholesale of tea
• Wholesale of sugar, dairy and dairy products, confectionery and products processed from grain, flour and starch
• Wholesale of other food products
• Wholesale of other machines, equipment and spare parts
• Wholesale of machines, equipment and spare parts for ore- mining and construction
• Wholesale of machines, equipment, electricity materials (generators, electric motors, electric wire and other devices used in electricity circuits)
• Wholesale of machines, equipment and spare parts for weaving, sewing and leathering
• Wholesale of machines, equipment and spare parts for office devices (excluding computers and peripheral devices)
• Wholesale of medical machines, equipment
• Wholesale of uncategorized machines, equipment and spare parts
• Wholesale of solid, liquid, gas fuels and other related products
• Wholesale of coal and other solid fuels
• Wholesale of crude oil
• Wholesale of petroleum and related products
• Wholesale of natural gas and other related products
• Wholesale of construction materials, installing equipment
• Wholesale of bamboo and other bamboo species, rough timber and processed timber
• Wholesale of cement
• Wholesale of construction bricks, tiles, stone, sand and gravel
• Wholesale of construction glass
• Wholesale of paint, varnish
• Wholesale of paving bricks and toilet equipment
• Wholesale of gold, silver, copper, iron and tin
• Wholesale of other construction materials and installing equipment
• Other uncategorized specialized wholesale
• Wholesale of fertiliser, pesticide, and other chemical substances used in agriculture
• Wholesale of other chemical substances (excluding those used in agriculture)
• Wholesale of plastic of the primary type
• Wholesale of rubber
• Wholesale of silk, fibre and weaving fibre
• Wholesale of supplementary materials for textiles and footwear
• Wholesale of metal and non-metal waste [scrap]
• Other uncategorized specialized wholesale
• General wholesale
• Retail of food, foodstuff, beverages, cigarettes and rustic tobacco accounting for a large proportion in department stores
• Architectural practice and related technical consultancy
• Architectural practice
• Map surveying
• Geological exploration, water source exploration
• Other related technical consultancy
• Technical inspection and analysis
• Research and develop experimental natural science and technology
• Research and develop experimental social science and humanities
• Advertising
• Market research and surveying
• Specialized design
• Photography practice