Middle-Solid Rotary Cylinder, Pressure-Maintaining (RK-N) — RK-N 中实回转油缸（保压型）
RK-N 中实回转油缸（保压型）（Middle-Solid Rotary Cylinder, Pressure-Maintaining (RK-N)）— factory-direct from NBD (Beijing Shuangfengli). Custom sizes available; fast worldwide delivery.