In 2015, TOPONE Chain further upgraded its production system with advanced inspection equipment, automated calibration systems, and improved heat treatment technology. The factory began large-scale production of Grade 80 and Grade 100 high tensile lifting chains according to EN818-2, ASTM80, NACM96, and Australian standards. Product categories expanded to include mining compact chains, ship anchor chains, rigging chains, submerged conveyor chains, and stainless steel chains. Export coverage exceeded 30 countries across Europe and Asia.