Qinterra Group Awarded Contract with PETRONAS Carigali Sdn. Bhd. Aug 30, 2017Qinterra Technologies & Services Sdn. Bhd., a subsidiary of Qinterra Group, has been awarded a conditional 2-year contract for the provision of Downhole Tractoring Equipment & Services for PETRONAS Carigali Sdn. Bhd. (PCSB) in West Malaysia