Wdhac tells us that when 2cn roof car is assembled,Blue parts appear (below),Assembly difficulties, etc.The supplier's solution is as follows:① BRKT ROOF CLIP,To manage the application amount of hotmelt (g),Control the height of brkt roof clip and the hardness after assembly (H direction).② Adjust the position of roof w / J hole,Move 2mm in X / Y direction.Attached are the relevant standards of 2nc roof,Please refer to.