A form of reinforced concrete drain or sewer pipe. use or purpose of use Suitable for underground pipe work Both sewer pipes and water pipes, etc. Foundation contracting services Pile drilling services, Chonburi, Bored Pile, Bored Pile, three-legged system, auger system, foundation, both types of dry pile Wet piling system that can support very high weight Getting hammered concrete piles, hammered piles, hired to drill, lead the needle, drill, test the soil, test the soil, sell concrete products. Distributor of prestressed concrete piles