1) long time usage 2) strong wind resistant 3) insulation grade Features1. Saving a great deal of steel, about 30~70% (employing cold drawn steel wire can save 30%~60%; employing high stress steel wire can save 40%~69%).2. Crack resistance can increase about 3~5 times.3. Rigidity increases 1~3 times.4. Reducing the cost (using cold drawn steel wire can reduce 25%~40%; using high stress steel wire ...
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