• SIRIM
  • ISO9001: 2008
  • PETRONAS Licence
  • TERAJU Certificate
  • QESB is the only facility that specializes in refining of waste oil and recovery and pre-treatment of spent catalyst in Malaysia, thus our unique process adheres to international industry standards.
  • Our facility has been audited by global refiners in the industry.
  • Major catalyst manufacturers have also audited and endorsed our facility for processing their spent catalyst.
  • QESB has ISO 9001:2008 certifications from SIRIM and licences from Department of Environment Malaysia, PETRONAS and sponsored by the Malaysian Prime Minister’s Office under its Bumiputera Programme known as TERAJU.