tungsten alloy Shandong Techgong Geotechnical Engineering Equipment Co., Ltd. is a famous professional   supplier of  MINING BITS, ROAD MILLING BITS, FLAT TOOTH, BLAST FURNACE BITS, and TBM CUTTERS...

Tapered Drill Rod Best Quality, Lowest Price, Most Satisfied Service Manufacturer Supply H22 and H25 tapered Drill RodBody Length: 400mm-8000mmTip Taper  4°,7°,8°,12°, and other degreesShank Length: 108mm or 159mmShank Flushing Hole: Φ 7.5mm- Φ8.5mmWe...

Integral Drill Rods Best Quality, Lowest Price, Most Satisfied Service Integral Drill RodsSteel Grade: 95CrMo equipmentShank Size: Hex22mm*108mmHead Diameter: 24mm - 44mmWe have got the Certification of ISO9001:2000 and the Right of Self-Operation Export and Import. Our Integral...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  caol mining bit, mining...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  coal mining bit, mining...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  caol mining bit, mining...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  coal mining bit, mining...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  coal mining bit, mining...

caol mining bit using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product  coal mining bit, mining...

We select and use high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the products ...