塑料单向阀，医用单向阀，鲁尔单... 成都市众诚信达科技有限公司

p1Src=//y3.yzimgs.com/uploads_old/194792/2014021915564719_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/194792/2014021915564719_old_1.jpg&p3Src=//y3.yzimgs.com/uploads_old/194792/2014021915564719_old_2.jpg"