The Seven Stars Big Dipper colloid mill JM series， the colloid pump the ZB series， the mulser R series.

七JM、胶体泵ZB、乳化R。

Seven Stars Big Dipper Multi-purpose colloid mill JM series, the colloid pump the ZB series, the mulser R series.

七JM多功能胶体磨、胶体泵ZB、乳化R。