江苏宜兴成功开发大盘重ＰＣ螺纹钢丝ＰＣ螺纹钢丝是一种表面具有螺纹槽的预应力高强度混凝土管桩用的主筋金属制品，与普通建筑钢材相比，可节材３０％～５０％。该产品主要用于高层建筑、重型厂房、港口码头。桥梁、机场等建设的基础工程管桩，以及速铁路和准高速铁路用... Yixing, Jiangsu Province, the successful development of large-scale heavy-duty PC thread PC thread is a surface of the thread groove prestressed high-strength concrete pipe pile with the main reinforcement of metal products, compared with ordinary building materials, materials can be 30% to 50%. The product is mainly used for high-rise buildings, heavy factories, port terminals. Bridges, airports and other infrastructure construction of pipe piles, as well as speed railway and quasi-high-speed railway ...