·C-KQ2L10-00,C-KQ2L10-12,弯接管
·C-KQ2L08-00,C-KQ2L08-10, 弯接管
·C-KQ2L06-00,C-KQ2L06-08, 弯接管
·C-KQ2L04-00,C-KQ2L04-06,弯接管
·C-KQ2H16-00,直接管 ,
·C-KQ2H12-00,C-KQ2H12-16, 直接管
·C-KQ2H10-00,C-KQ2H10-12, 直接
·C-KQ2H08-00,C-KQ2H08-10, 直接管
·C-KQ2H06-00,C-KQ2H06-08, 直接管