DH-PHC Pile Foundation Technology - Level 1 PHC / PC pile head of a revolutionary new design - The pile-cap never loosed. - The next generation of piles standard - Make precast concrete piles in addition to the advantages of precast style, but also to have the advantages of joining the pile head field cast piles. - Provide a higher binding force, combined with a more stable behavior, more durable quality assurance, more at ease design.