Roger Kwok and his associated companies are substantial holders in PXG and SEH by the looks of it, and Roger Kwok is a non-executive director of Vietnam Industrial Investments ASX:VII.
Members of LinkedIn might like to look up details of the 38 or so people/associations linked to Kwok.
More research to do here yet.
Roger Kwok (aka Mr Roger (Sing-Leong) Kwok), Kwok Family Trust, Catherine Tan ATF, SHL Pty Ltd ATF, S H Lee Family Trust, Arcadia Group, Vietnam Industrial Investments, and the people associated with these groups.
Quote from the ASX:VII company web site.
"Mr Kwok is the Managing Director of Arcadia Group in Perth which specialises in designing, developing and managing retirement resorts and premium properties. For the last twenty years, Mr Kwok has managed a number of Australian businesses in the automotive and healthcare sectors. He is a past president of The Western Australian Chinese Chamber of Commerce and brings significant experience in business relations in international markets, particularly China, which sources raw materials to VII’s rolling mills. Mr Kwok is also a member of the VII Audit and Remuneration Committees. He has not been a director of any other listed company in the last three years."
I presume one would be able to email Roger Kwok by contacting ASX:VII, not that I would expect him to answer, but you never know.