... according to you.If you are honest buyer,please leave the message.The advanced:1 with polythylene material one-time injection molding,acld ... and alkali restance ,corrosion resistance,easy to clean,weld.2 the barrel body double diamond trontier by reinforced structures ,trailers service ... bottom,can withstand all kinds of spcial forces.such as: the collison ,machinery and ascend.4 each are equipped with ...