Sun-honest Tube is mainly engaged in automotive tube manufacturing. We are authorized national high-tech enterprise and IATF16949 and ISO14001 dual certification. Sun-honest has our own long tube welding lines, which guarantee the tube welding quality & cost optimization from the source. Sun-honest is professional on varieties of tubing deep processing. At present, Sun-honest has 20 tube processing lines, including 8 robot lines. We product various tubes, including galvanized tube, stainless steel tube, copper tube, aluminum tube etc.