According to last few years sales report, board of Ronda aprroved the?scheme from GM and managing director of production, which suggests adding a production line of QBY pneumatic pump (air operated double diaphragm pump).

Moulding of this pump will be casted within one week, 5 machines will be ordered from Changzhou. The ability of diaphragm pump production will gets 40% increase, which reaches 200 sets of one model.

So far, Ronda works on double dipahragm pumps in three types: horizontal discharge, vertical discharge and lined with rubber type. Material of this pump may be cast iron, aluminium alloy, stainless steel 301,?304, 316, 316L,?engineering plastic PP, FRPP, PVDF, PTFE.?Metal lined with PVDF.??