... welding, girth welding, argon arc welding, brazing.5. Material: stainless steel, Iron (SPCC, SECC, SPTE, tinplate), aluminum alloy, ... brass, bronze alloy, etc. 6. Surface treatment: professional stainless steel polishing, grinding and sand blasting by own workshop. Coating ... machine, Grinding machine, Drilling machine, Boring machine are available.10. Target Market(s) :Africa, Eastern Europe, Hong Kong ...