门窗设备专用ThreeY.SAY斜齿齿条,门窗设备专用台湾齿条,门窗设备专用直齿齿条 390151110
东莞市精杰机电有限公司
p1Src=//y1.yzimgs.com/uploads_old/421657/2014080520021279_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/421657/2014080520021279_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/421657/2014080520021279_old_2.jpg