Allwin Machine & Equipment Co., Ltd. is a manufacturer specialized in researching and development of Bead mill, Sand mill, and dispersing machine in Chongqing, China, our mission is providing customers with high valuable mills and solutions. Since founded in 1993, Allwin have been concentrating on grinding-dispersing technologies for half a Century. Mr. Wang Yongqi, Our Chief Engineer of Allwin Machine Equipment Co, Ltd and senior engineer developed the Chinese first sand mill in 1967.Over the past 24 years; Allwin machine has made great achievements through bold innovation and continuous practices. We have 11 patents about bead mills and won the certificate of IPR compliance. We could offer both grinding bead mills and production lines for wet grinding users. In the past 6 years, we made more than 300 experiments for dispersing and grinding, have more than 1300 bead mills applications in different fields.