Flat tubes for differential air shafts

The air shaft hose is divided into flat tube and round rubber tube, and the specifications of the flat air bag are divided into three specifications with a width of 10mm,15mm, 20mm and 25mm, and the thickness is from 1- 1.5mm
There are more inflating shafts for slip; The round air shaft tube is a lot of specifications, there are 30*20mm, 35*25mm, 38*28mm, 40*30mm, 45*35mm, 50*40mm and so on, unilateral thickness.
The degree is basically 5mm. Customers choosing airbags also need to choose different airbags according to different suppliers.