Malaysia-based Hibiscus Petroleum Berhad has partnered with Rex International Holding Pte Limited to participate in exploration opportunities in Cambodia and 10 other countries across the Asia-Pacific region. The two companies have formed a 50-50 JV, HiRex Petroleum Sendirian Berhad, which will have the right of first refusal to participate in exploration opportunities across Southeast Asia, as well as Australia and New Zealand.