Home >> FAQs
  • Q:How about the rod surface?
    A:Black, Polished, Ground
  • Q:How about the tungsten sheet surface?
    A:Bright, Ground
  • Q: How about the wire surface?
    A:Black, White, Bright
  • Q:How about the standard?
    A:ASTM, AMS and so on
  • Q:What's the purity for your material?
    A:the best purity is 99.95%
  • Q: Package for wire?
    A:Coil, spool packing with plywood case
  • Q:Do you have any certificate of your company?
    A:We have ISO9001:2008
  • Q:Is there certificate of quality, with all the physical and chemical properties?
    A:Yes, we have Material Test Certificated issued by our QC department or third-party lab
  • Q:How many finishes for tungsten and molybdenum plate?
    A:There are 2 available finishes,ground(bright) and rough.
  • Q:How about the thickness range for cold-rolled sheet mirror surface supply?
    A:Generally, the thickness range for cold-rolled sheet≤2mm, pls contact for specific requirements.
  • Q:How about the purity of the offered molybdenum and tungsten goods?
    A:≥99.95%,chemical components will be offered before shipping.
  • Q: Is sample order available? How many payment ways for small orders?
    A:We welcome sample orders to try our quality and propose a long term cooperation. West union,Escrow,Paypal are at customers’ easy options.
  • Q:How about the processing way of moly or tungsten crucible?
    A:There are two ways in general. Sintered crucible and machined crucible. Machined crucible has a bigger density than sintered crucible
  • Q:What types of tungsten copper alloy do you have?
  • Q:What are length and diameter of tungsten copper rod you can supply?
    A:Length 350mm at maximum, Diameter 0.8mm at minimum
  • Q:Can we do SGS inspection for the material?
    A:Yes,only the charge is paid by the buyer
  • Q:How to clear the oxide of the moly rod surface?
    A:Dissolved in sodium hydroxide solution
  • Q:Why does the tungsten electrode use up fast?
    A:Machine power too big,welded parts unclean etc