12 sets of Civil work construction machine and equipment-more than 200 heavy machines including bulldozers, excavators, steel wheeled rollers, tire wheeled rollers, pavers, motor graders, spray bar machines, water spray machines, etc. 4 quarries located in Chonburi and one quarry in Kampangpetch 240,000 square meter mining concession in Chonburi and 104,000 square meter mining concession in Kampangpetch 5 sets of drilling and blasting equipment 25 excavators used in mining operation 4 asphaltic concrete hot mixing plants 4 ready-mixed concrete plants with 20 transit mobiles 3 concrete product factories located in Chonburi, Rayong, and Kampangpetch 70 dump trucks and 70 dump trailers Highly experienced engineers and technician