Good sales and poor performance of the sales staff had difference in twelve aspects,from which we can understand the sales personnel should have good habits everydaywhat. I hope we can do a successful sales personnel 1 self understanding 2 how leisure 3 communicative thinking 4 learning attitude 5 t...

The PC or polycarbonate, due to their excellent mechanical properties, commonly known as bulletproof glue. PC has high mechanical strength, wide range of usage temperature, good electrical insulation properties (but anti arc properties unchanged),good dimension stability, transparency. Is widely use...