A contact in the black market who runs a billiards room. He is sturdily built and has connections for sourcing hard-to-get materials like rebar, cement, sand and gravel. He is business-oriented and warns his underlings not to ask too many questions about clients. He knows about lab equipment from wild cities and offers an electron microscope for sale. He correctly deduces that Chu Xuan is not a simple person since the underground city's expansion has stopped.
