ROPO this series of ball valve is specially and developed on the basis of foreign advanced technologies. With compact structure and reliable seal performance, it is widely applied in oc*ions of petroleum, chemical and electric power industries. It is especially popular in DCS, QCS and PLC co*ol systems in production processes of waste paper deinking, alkali recovery, pulping and *age processing in paper making industry. 标签: 南京市罗普电动法兰球阀 南京市罗普电动法兰球阀厂家 江苏 南京市南京市罗普电动法兰球阀厂家 供应德国罗普ropo电动法兰球阀