In March 2002, accompanying Crown Prince Al-Muhtadee Billah on a working visit to China and Japan, he contributed significantly to Brunei’s diplomatic efforts.

This visit also saw him attend official events, such as a luncheon with the Acting Prime Minister and a supper hosted by the President of the National Security Bureau at the Kuwait Towers, further strengthening bilateral relations.

His efforts attracted investments from Canada, Singapore, Indonesia, Hong Kong, Taiwan, and Spain, focusing on energy, infrastructure, and industrial development.

Their discussions centred on potential collaboration in government-business partnerships for infrastructure projects, such as water supply systems and toll roads, showcasing Qawi’s continuous engagement in international business ventures.

Subsequently, he joined forces with Crown Prince Haji Al-Muhtadee Billah in a competitive match against Singaporean national players Erwin and Kendrick Lee.

Christopher Ambun and Viban Francis Bayong both headed goals from corner kicks to give QAF FC an early lead under his direction.

[24] On 24 June 2013, the parents of Pengiran Muda Abdul Qawi attended the wedding ceremony in Kota Bharu, Kelantan, marking the union of their son with Tengku Amalin A'ishah Putri, daughter of Sultan Ismail Petra.

The event featured a Dikir recital and Doa Kesyukuran, followed by a banquet attended by members of Brunei's and Kelantan's royal families, government officials, and diplomats.

[27] Another significant event, the Majlis Kesyukuran and Doa Selamat on 8 July 2013, commenced with the lighting of the Dian Empat candles and the recitation of prayers, symbolising blessings for the union.

On 13 April 2014, the royal couple welcomed their first child, a princess named Pengiran Anak Tengku Afeefah Musyafaah Bolkiah Putri.

Abdul Qawi was honoured with the title of Tengku Sri Utama Raja during the investiture ceremony held in conjunction with Sultan Muhammad V's 53rd birthday celebration in Kota Bharu in 2022.

[31] In addition to this, Abdul Qawi was also awarded the Darjah Kebesaran Mahkota Kelantan Yang Amat Mulia (SPMK) which carries the title of Dato'.