Ultra-Thin Hollow Rotary Cylinder, Pressure-Maintaining (TK-N) — TK-N 超薄型中空回转油缸（保压）
TK-N 超薄型中空回转油缸（保压）（Ultra-Thin Hollow Rotary Cylinder, Pressure-Maintaining (TK-N)）— factory-direct from NBD (Beijing Shuangfengli). Custom sizes available; fast worldwide delivery.