PTP Investment Company Limited

Economic Branch

• Producing other products from wood, producing products from straw, thatch and plaited materials
• Exploiting wood
• Mining stone, sand, pebbles and clay
• Mining other minerals not classified in any other category
• Sawing, splitting, shaving and preserving wood
• Producing plywood, veneer and other thin planks
• Producing woodwork used for construction
• Mechanical engineering processing; treating and overlaying metal
• Destroying and dismantling
• Preparing construction sites
• Installing electricity [power] systems
• Installing water supply and drainage, radiator and air-conditioning systems
• Installing other construction systems
• Completing construction works
• Other specialized construction
• Wholesale of automobiles and other motor vehicles
• Wholesale of agricultural and forestry raw materials (excluding wood, bamboo and other species of bamboo) and livestock
• Wholesale of agricultural machines, equipment and spare parts
• Wholesale of other machines, equipment and spare parts
• Wholesale of construction materials, installing equipment
• General wholesale
• Retail of gold, silver, copper, iron and tin, and of paint, glass and other construction installing appliances in specialized stores
• Other passenger transport
• Cargo road transport
• Warehouses and commodity storage
• Goods loading
• Other supporting services related to transport
• Technical inspection and analysis
• Leasing machines, equipment and other tangible equipment