Dear Sir Madam, Structure:Gear Material:Steel Coatings:Bright Surface Product Name:forging gear shaft Process:Forged Chemical Control:SpectrograDefect Control:UT, MT Heat Treatment:Anneal, Quenchining & Tempering Surfact Treatment:Grinding Certificate:BV, ISO9001 Inspection:Third Party Approved Weight:Max 55T Per PIECE Standard or Nonstandard:Nonstandard