MSS Inc. that was found in 1974 is one of the leading suppliers who design and manufacture the top class of optical sorting technology and equipment. MSS installed more than 2400 separation machines in the past 40+ years, which are widely used in the recycling and waste industries such as metal, paper, plastic, WEEE, MSW, etc. MSS designs and produces the software and hardware in its factory in Nashville, USA, which make sure its state-of-the-art optical sorting technology and top quality. In China, MSS Inc cooperates with Beijing PMI Technology Co.,Ltd to provide best service to Chinese customers. No matter how complicated your material is, MSS will be the best solution!