SI Systems manufactures and integrates a full range of towline (drag-chain) conveyor systems applications for over 55 years. The LO-TOW® towline conveyor system handles up to 70,000 pounds in assembly, manufacturing and distribution applications. Reliability, longevity and jam-free operations is designed into the system. Loads are accessible on all four sides and can be raised or lowered as required. Call, email or visit our website for a free quote and analysis.