Both the shell and the inside are made of rotproof and antirust stainless steel.

该瓶盖外壳内不锈钢，防腐防锈。

By the adjustment of the board in the machine ,the sprinkling orientation and area can be adjusted .The whole vehicle is rotproof and has a long life of usage.

通过调整布器的挡板，可以布方向进行调整，整车采取防腐处理，经久耐用。