development centers training in colleges incubation centers contact us plastic droppers & pipettes dave technical services has developed wide range of plastic droppers / pipettes for various applications. droppers / pipettes available in various shapes & sizes to suit ones requirement we also manufacture moulds...
. collapsible & . slides cores background in early year 's, the two leong's brothers (which is the current company directors) started building plastic injection moulds for pvc soil, waste & vent - swv and soil, waste & rain- swr fittings. the special hydraulic coring system for intricate socket joints...