... and stable material Die casting Valve Body( used in ships,marine,tractors)1. Standard or Nonstandard: ... requirement1) Product name: Die casting Valve Parts used in ships,marine,tractors2) Materials: Cast steel3) Size: ... Protective oil (black or clear), decorate etc.6) Certificate: ISO9001-2000, ISO9001-2008, and has got typed ... of payment: 30% deposit by T/T in advance, balance T/T before shipment, L/C ...