SINCE 1984
  • 2018

    Rated as the High-tech Enterprises in Hebei Province 


  • 2017

    Rated as the Best Enterprise in Abrasive  Industry in China (Top 20) 


  • 2014

    Factory in Zhongshan started operation.

  • 2012

    Production capacity of J Long reasched 500,000pcs per day.

  • 2009

    Rated as AAA level for business credit by China Ministry of Commerce.

  • 2008

    All products of J Long have covered by insurance globally since 2008; Entre China domestic market.

  • 2007

    Ranked as Top 10 Abrasive Wheel Manufacturer in China by China Abrasives Association (CAA).

  • 2002

    Formed Sino-US joint venture with RTI (US).

  • 2001

    Approved by ISO 9001 Quality Management System.

  • 1999

    Products certified by MPA Hannover, Germany.

  • 1988

    Cooperation with China National Machinery Imp. & Exp. Corp. (CMC).

  • 1984

    Company founded jointly by Chinese Academy of Sciences (CAS) and Mr. Wenbo Du on Oct 30th, 1984, in Dacheng, Hebei Province, China.