Keterangan :

The character of the spiral ribs wire is there are 3-6 protruding ribs on the surface, and the advantage is that it can strengthen the bond between wire and concrete, thus improves the performance of the PC products and extends its life.
Spiral ribs wire is SD Group's core product for which we have its particular Intellectual Property Right. It covers 3 patent technologies and 12 creative technologies. Since it was invented in 1992, spiral ribs wire has been widely used in the pre-tension concrete products such as railway sleeper,electrical poles and hollow-core floor block. From 1996,the spiral ribs wire was spread abroad, and now has been adopted in the Concrete products industry by over 33 countries.