... 2) Standard and stable material Die casting Valve Body( used in ships,marine,tractors)1. Standard or Nonstandard: Non ... Dimension As per requirement1) Product name: Die casting Valve Parts used in ships,marine,tractors2) Materials: Cast steel3) Size: Complety ... Quality Assurance System, the USA UL.4. Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts, ...