The environmental case, trash box, adopts the craft of the plastic rotational molding. It can be shaped in a whole mould. It is very popular used in many large-scale emporiums, public places, hotel, the entrance of the top grade gin shop or of elevate, underground and the public place. It is in good taste and has bright color, so it looks graceful. It is also convenient to be used. For these reasons, it has obtained quite excellent comment of our customers that from domestic and abroad. Our company manages this aspect strictly according to the international quality system ISO9001-2000, and has obtained consistent high comment of our customer.