% *application: pre-stressing steels apply to post-tensioned and pre-tensioned concrete structure in the follow civil engineering, building construction and infrastructure projects: bridges; railway sleeper, subway track board; airport; industrial buildings, commercial buildings, residential housing foundations; pc poles, piles, beams, girders, slabs, double-t board, hollow floor board, floor, parking decks, phc, ppcp; electric power, nuclear power station; ports, dams, water project, sewage treatment, swimming pool; rock-coil anchoring, side slope stabilization, coil mine; storage tank for national gas, oil, grain; stadiums, tv tower etc. *packing: baling strip, inner pvc film, outer damp-proof paper-plastic compound packing cloth, wooden pallet pedestal£¬or according to customers¡¯requirements. Packing: baling strip, inner pvc film, outer damp-proof paper-plastic compound packing cloth, wooden pallet pedestal£¬or according to customers¡¯requirements.