About Us

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  ShenZhen GangLong Metal Mft. Co., Ltd. professional manufacturer of all kind of screws, our product range includes wood screws, chipboard screws, drywall screws, machine screws, self-tapping and assembled screws, triangle thread screws, double end screw hanger bolt , high?low thread screws, rivets, carriage bolt, etc. We have own heat treatment, which make us service you more convenient.
  
  Our output capability are more than 4,000 ton per year.  At present , we have more than 200 regular customers, Including some of the big company from domestic and foreign market, some of them are distributors and wholesalers. Such as our present situation, we would have great development and expansion at 2006.
  
  According ISO international quality management system be becoming to our practicality management policy.  We are obtained ISO 9001:2000 certificate accredited by SGS. We as well as our sincere attitude to service and develop our customer chain.
  Herewith an overview of some possibilities:
  
  Specification of product:
  Specialty in various specifications of metal screws, rivets , with the diameter range between 0.8mm&＃8212;8mm diameter, and the length between 2mm - 80mm, according ANSI, DIN, JIS, BSW, Chinese GB standards are available. We also make products according to the customer requirements and demand .  
  
  Thread forms:
  Serrated wave and saw form; fluted; hi-lo; twin; gradated; combination thread (up to 5 reductions or 4 thread forms on one thread shank)
  
  Head forms:
  truss; pan; oval; cheese; triangular, hexagon ,round, flat, binding, hexagon washer, pan washer ,
  
  Recess types:
  Philips; slotted; square socket; hexagon socket; indented hexagon ; tx tamper resistant; plane hexagon; slotted & square socket; tx security; slotted square socket; slotted & Philip combination ; triangular drive; hdrive; torq-set tri-wing; pz drive
  
  Plating variations:
  yellow zinc; zinc black; chrome; nickel; brass; copper; hot dip; mechnical