... widely used in petrol, chemical, pharmacy, Cold drawing pipes a) Diameter: 8 - 771mm b) Wall thickness: Cold drawing pipes a) ... thickness: 1 - 40mmWe specialize insupplying seamless stainless steel pipes for liquid conveyance, structure, and boiler heat exchanging, ... case or upon customers' requirements These products are widely used in petrol, chemical, pharmacy, foodstuff, machinery, spaceflight, ...