SHANGHAI ZHEZHONG CONSTRCTION CO.,LTD. is a China-based company principally engaged in manufacture and distribution of pre-stressed high strength concrete (PHC) piles. The Company provides large-sized PHC piles with diameters larger than 600 and PHC piles with diameters not exceeding 600. The Company鈥檚 PHC piles are mainly used in the primary works of land construction projects, including high-rise buildings, highways, overpasses and large-scale power plant; and marine construction projects, including harbor, port, dock, berths and long-span bridges. The Company is also engaged in the manufacture and distribution of steel piles.