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JNFLEX (CHANGZHOU)CO.,LTD. is a high-tech enterprise integrating design, development, manufacturing, and technical services. It is committed to providing customers with flexible connection and flexible protection product solutions. The products involve construction and infrastructure, automobiles and ships, high-speed trains, iron and steel metallurgy, environmental protection new energy and other industries.
Post Tension Duct (Pre-stressed metal corrugated pipe)
Pre-stressed corrugated pipeis made of concave and convex ripple steel band, making preformed hole in components of post tensioning pre-stressed concrete structure. Corrugated pipe is embedded in steel bar in the bridge steel banding process, the purpose is to reserve space for wear steel strand when pouring concrete, so as to facilitate the later steel strand and tension, due to corrugated pipe with corrugation, and better concrete combination, a very good combination between steel strand, cement paste, beam plate after the condensation of steel strand tension grouting, so as to ensure uniform distribution of tensile stress and stress loss.
Post Tension Flat Duct (Flat metal tube)
The galvanized steel sheet is used in construction industry as same as pre-stressed corrugated pipe, making preformed hole in the components of post loaded pre-stressed concrete structure.
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