Rock Drill Bits,DTH Drill Bits

Nothing is more important to rock drilling success than drill bits that cut straight and fast through all types of rock. That's why we offer our customers the best value in rock drill bits. MSD has a full range of face designs, button configurations, and

Entries from 2021-03-29 to 1 day

Hunan professional copper tungsten processing tungsten alloy rod

tungsten-copper alloy production process specifications and processing precautions. Tungsten-copper (copper-tungsten) production process specifications have been continuous in the past two years. The continuous matrix phase copper metal ma…