1 Standard: ASTM,DIN,EN,JIS 2 OD21.3-1219mm, Thk,1.24-79mm, Length4-12M. 3 Import And Export Autonomy 4 Complete Certificate More information about the product.ProductsPacagkingShowroom.Quality Control Our quality control department consists of experienced technicians. These personal strictly control the whole production procedure, from introduction of raw materials to finish products. They ...