WK50 series down-the-hole drill bits
WK50 down-the-hole drill bit WK50 is a convex type down …
2020年10月
WK40 series down-the-hole drill bits
WK40 down-the-hole drill bit WK40 is a convex type down …
NK90——W series down-the-hole drill bit
NK90 series down-the-hole drill bits NK90 is a flat-typ …
N125——NUMA series down-the-hole drill bits
NUMA series down-the-hole drill bits N125 is a convex-c …
NUMA100 series down-the-hole drill bits
NUMA series down-the-hole drill bits NUMA100 series dri …
QL80 series high-pressure down-the-hole drill bits
QL series high-pressure down-the-hole drill bits QL80 i …
QL60 high wind pressure down-the-hole drill bit
QL series high-pressure down-the-hole drill bits QL60 i …
QL50 series high-pressure down-the-hole drill bits
QL series high-pressure down-the-hole drill bits QL50 h …
QL40 series high-pressure down-the-hole drill bits
QL series high-pressure down-the-hole drill bits QL40 i …
DHD380 high wind pressure down-the-hole drill bit
DHD series high-pressure down-the-hole drill bit DHD380 …