WE ARE ONE OF THE THREE BIGGEST MANUFACTURERS OF AUTO/MOTOR BRAKE HOSE AND ASSEMBLIES IN CHINA.1. MOTOR HYDRAULIC BRAKE HOSE: 3.2 mm (ID) X 10.5 mm (OD); 2. AUTO HYDRAULIC BRAKE HOSE: 3.2 mm (ID) X 10.5, 12 mm (OD); 3. AUTO AIR BRAKE HOSE: 10 mm (ID) X 17 mm (OD);  13 mm (ID) X 22 mm (OD); 4. AIR HOSE: 8 mm (ID) X 17 mm (OD); 10 mm (ID) X 19 mm (OD);  5. OIL HOSE: 5.0 mm (ID) X 10, 13 mm (OD)