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11月4～5日,国际塑料管道会议协会(Plastic Pipe Conference Asso-viation)首次与中国塑料加工工业协会塑料管道专委会(CPPA)合作在中国举办的高层次市场技术研讨会——2009年(北京)国际塑料管道交流会
From November 4 to 5, the Plastic Pipe Conference Asso-viation is the first high-level market technology seminar held in China in cooperation with the China Plastic Processing Industry Association Plastic Pipe Specialized Committee (CPPA) - 2009 (Beijing) International Plastic Pipe Exchange