Tingyu Machinery, a leading manufacturer of non‑stop systems, was founded in 2015. It has established long‑term partnerships with many world‑class label printing manufacturers. Tingyu Machinery offers highly diversified solutions and complete process automation solutions, which have been successfully implemented in full production lines. HAUSAC is a flagship product of Tingyu Machinery. As an entry‑level non‑stop rewinding and roll‑reversing solution, it features simple operation, user‑friendliness, high reliability and low cost. By 2022, more than 200 sets had been successfully installed worldwide. The HAU adopts non‑mechanical tension control. It utilizes the latest servo drive technology embedded with Tingyu Machinery’s proprietary coupling algorithm. This delivers highly simplified and dependable tension control, and is compatible with nearly all materials used in the label industry.