Zhao Qingsheng bait silk. Tengchong is located in the southwest of Yunnan Province, is the bait silk planting place, raw material prices are low, the store investment cost of 30,000-60,000 yuan, less expensive, but also a very promising food and beverage franchise brand, profit fast. Yunnan Province, referred to as cloud or Dian, one of the 23 provinces in China, located in the southwest, the provincial capital of Kunming.