BBK Commercial Chain Co., Ltd. was formally established in March, 1995. Mainly engaged in BBK supermarket, BBK department store and BBK electrical appliances. Since 2000, it has been rated as "National Top 100 Chain Enterprises" and "National Top 100 Supermarket Enterprises" by China Chain Store & Franchise Association for six consecutive years. Since 2000, Telitong Elevator has been cooperating with BBK Commercial Co., Ltd. and signed a strategic cooperation and development. At present, there are more than 700 elevators with Delitong brand: escalators, sidewalks, passenger elevators, freight elevators and sightseeing elevators.

Hunan Kangxing Chain Department Store Co., Ltd. is a large private retail chain enterprise, mainly engaged in clothing, shoes, leather goods, gold jewelry, communication equipment, household appliances and so on. At present, the company has many large chain department stores, logistics companies and consulting companies in Xiangtan, Yueyang, Liuyang and Loudi. Since 2000, Telitong Elevator has cooperated with Kangxingbai and signed a strategic cooperation. At present, there are more than 300 elevators with Delitong brand: escalators, sidewalks, passenger elevators, freight elevators and sightseeing elevators.