In more detail, an end face cross section of the deformable beam TriC type deformable structure, includes a main C curved member501which defines an about circular shape of an arc ranging between about a quarter arc and a substantially full circle. The main C curved member has a first main ...
Ruishi owns full production lines of PDC bit and core bit, which is covering all sizes of the 2"--26" bit. Ruishi has been promoting the comprehensive quality management and focus on the customer's demand. In order to ensure the stability of quality and the excellent...