About

About Hangzhou Topivot Trading Co., Ltd. About Hangzhou Topivot Trading Co., Ltd. We produce mixer truck parts, such as drum roller, chutes, hopper, collectors, cables, drum track ring and so on. We produce all lines of mixer truck parts, the main products are mixer drum, drum roller, chute, drum track ring, reducer flange, control cable and so on We produce mixer truck parts, such as drum roller, chutes, hopper, collectors, cables, drum track ring and so on.