A slowdown in China and price pressure in Greater China is forcing P&T Group, Hong Kong’s oldest architecture firm, to look to emerging markets along the belt and road.P&T directors Remo Riva and Janette Chan estimate that total revenue from China is now less than 30 per cent, down from more than 50 per cent. As a result the firm has had to cut staff, which at its peak was more than 2,000 to around 1,600 today.The company earns about US$130 million in fees annually, according to the directors…