薄肉型空白胶管
OMT-2.5
2.5
每卷
OMT-3.0
3.0
OMT-3.2
3.2
OMT-3.5
3.5
OMT-4.0
4.0
OMT-4.5
4.5
OMT-5.5
5.5
OMT-5.0
5.0