Generations of children and adults have loved playing with Slinky. This classic metal spring toy walks downstairs, alone or in pairs, and makes a slinky sound. First invented by mechanical engineer Richard James in 1943 during an experiment with tension c
Based on transitional models, the production capacity of one machine can reach the efficiency of two machines, and the packaging speed is 120 packages per minute, effectively improving the space utilization rate and production capacity.