What's the payment terms?
How do you inspect the tubes?
Do you know the different types of surface of stainless steel?
What's TIG welding method and its application?
Difference between refining furnance and intermediate frequency?
How many production lines in your factory?
The Characteristic and Application of 304 and 316 Material
What's the application of ASTM A269, A249 and ASTM A270 stainless steel tube.
What's your package?
What's the chemical compositions of stainless steels to BS EN 10217-7