We are the one of the leading Exhaust system manufacturer in South Korea. We supply more than 20 different countries on Aluminized Tube and sheet items. We are mainly dealing Dongbu Steel Aluminized material. As a OEM supplier, we are the one of the main supplier of the Iran Khodro and Saipa in Iran, Hyundai motor in India, and Suzuki in Pakistan, and Honda and Toyota in Thailand. Aluminized Exhaust Steel Pipe Specification: JIS G3314, SA1D. Outer Diameter (mm) : 22.2, 5.4, 31.8, 35.0, 38.1, 42.7, 45.0, 48.0, 50.8, 57.15, 63.5, 76.2Thickness (mm): 1.2, 1.4, 1.5, 1.6, 2.0Length (mm): 5800 ( 20" container )To build our mutual relationship, we hope to have any inquiry from you regarding the your requested items.