Chengdu Retool Science & Technology Co., Ltd., as a well-known professional manufacturer of physical test equipment for tobacco in China, has a development history of three decades. Chengdu Retool Technology lndustrial Co., Ltd. was founded in 1996, and Chengdu Retool Science & Technology Co, Ltd. was founded in 2015 after shareholding reform, and was successfully listed in the national EME share transfer system in March 2016.