Bolting jumbo is an economical and applicable equipment developed for the full-section or stepped excavation method of small and medium-sized tunnels. This equipment is not suitable for bolt hole operations and also suitable for tunneling and advancement. Support holes, lock-foot holes and other operations, with its compact structure and comprehensive functions, are widely used in various drilling operations in roadways and tunnels in railways, highways, national defense culverts, mines, hydropower and other fields.
Bolting Jumbo,Roof Bolting Jumbo,Bolter With A Jumbo,Jumbo Drill Bolting NORTH HEAVY GRYPS EQUIPMENT AND ENGINEERING CO.,LTD , https://www.nhgtunnel.com
OUR COMPANY HOT-SALE PRODUCTS:
ELBOW,TEE,SOCKET,HEX NIPPLE,
UNION(WITH TEFL OR TAPER),
SQUARE PLUG,ROUND CAP,HOSE NIPPLE,
STREET ELBOW,STREET SOCKET,
R.ELBOW,R.TEE,R,SOCKET,R,NIPPLE,BUSHING
1PC BALL VALVE,2PC BALL VALVE,3PC BALL VALVE.
SALESMAN:ZOE
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Stainless Steel Pipe Fitting SS304 BSPT NPT Thread Screw Union 4inch
Model NO.: 4inch
Trademark: CVIP
Specification: DN100
Origin: China
HS Code: 7307290000
WENZHOU LIANGGANG PIPE FITTING VALVE CO.,LTD
SS201,SS304,SS316: