But it is not the only firm working in the field.
A few years ago, his firm worked with a drug company on damage control in such a situation.
"It was social at first, but then we started to talk about how our two firms could work together."
The firm also works with a network of contractors around the country.
The firm is now working on a master plan, which should be completed by September 1995.
"But the firm works closely with the Church," he said.
His firm has been working on Shanghai's subway project since 1987.
The two firms worked very little "with" each other - in fact, less than they probably should have under the circumstances.
His firm, which employs 22 people, works with some of the world's leading companies and is set to grow sales 30pc this year.
She joined the firm in 1983 and over the next 19 years worked diligently to make it a better place.