This is the famous luggage factory - IT Luggage. They use the CHAOXU brand vacuum forming machine, which can make high-end ABS PC plastic suitcase. 

Chaoxu Machinery Co.,ltd has specialized in Intelligent Luggage Machinery Industry since 1992. They has provided machinery and offer technical support for a lot of international luggage factory, such as IT Luggage, Samsonite,VIP,Safari and so on.