Within the Material & Finish Information technical information section, get detailed technical information about material composition and application information for 麻将胡了3 products. Applicable information is also included in this section detailing heat treatment and surface finishes applied to 麻将胡了3 products. Most 麻将胡了3 products are composed of either steel, stainless steel, or Delrin庐 polyoxymethylene or Nylon thermoplastic. Get technical information on 麻将胡了3 product materials & finishes below.