In Kachin State , which borders China in three directions , Standard Mandarin is the lingua franca .
The northern region of Burma has seen a recent influx of mainland Chinese migrant workers , black market traders and gamblers .
In Kachin State , which borders Chinese in three directions , Standard Mandarin is the lingua franca .
The northern region of Burma has seen a recent influx of mainland Chinese migrant workers , black market traders and gamblers .