The ultra-high performance concrete (UHPC) prepared with steel fibers has 5 to 10 times the compressive and flexural strength of ordinary concrete, and at the same time has amazing toughness
This Auto Rear mirror Plastic mold is a representative auto plastic mould of Jie Mei group, this kind of mold has high requirements on appearance, mould analysis, mould design, steel material processing, and mould assembly, mould parameters, etc., and ref