The upper, middle and lower cylinders of Yantai Rocka are manufactured by standard production technology, with superb craftsmanship, smooth and flat surface; with excellent comprehensive mechanical properties, high strength, high impact resistance and high temperature resistance; Rocka cylinders are made of selected materials Into, service life...
The upper, middle and lower cylinders of Yantai Rocka are manufactured by standard production technology, with superb craftsmanship, smooth and flat surface; with excellent comprehensive mechanical properties, high strength, high impact resistance and high temperature resistance; Rocka cylinders are made of selected materials It has a longer service life and a wide range of applications.