Brunei is looking for increasing cooperation with China under the BRI to accelerate its own develoment strategy called Wawasan Brunei 2035.
China’s BRI in some ASEAN countries (3/4):Wawasan Brunei 2035
China and national development strategies in ASEAN countries
Right after his African tour, in early January, Wang Yi flew to Southeast Asia to strengthen ties between China and four ASEAN countries.