Thickness: 0. 5- 2. 5mm, Φ12- 76mm for round tube, And 20*20- 60mm*60mm for square&rectangular tube; Material: Currently Q195, Q215, Q235, QSTE340TM, ST12, 16MnAl, STKM15A, STKM15C; R&D capablity of new material according to the specific technical reqiurement; Nondestructive testing to guarantee excellent airtightness similar to seamless pipe at much lower cost; A wide range of applications to be explored