Beijing Jietaihongli Technology Co., Ltd.
Beijing Jietaihongli Technology Co., Ltd.
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Carbide Bullet Teeth use high grade alloy steel and tungesten carbide tip and adopt advancedbrazing technology to produce high quality, high wear resistance, long life cutters. we also can produce all kind of rotary bits, trenching bit and flat bit according to customers' requirements.
Usage: Coal cutting, Mining, Oil drilling, Well dig, Road Milling etc.
Applicable layers: dense sand, gravel and medium hard rocks, etc..
Other Type: C31HD ,B47K20H, B47K19H, B47K17H, 3050, 3060, 3065
Hardness: 50-54 HRC
Drilling Bits 
We produce all kinds of rock drilling tools, such as tapered chisel bits, tapered crosss bits, tapered button bits, thread button bits, shank adapter, coupling, tapered rod, extension rod, dome bits for reaming, DTH adapter, etc.
Beijing Jietai Haoli Technology Development Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.
We are manufacturer for piling rig kelly bars and spares for more than 17 years old.
FAQ
1. Are you a manufacturer or trade company?
We are manufacturer.
2. How long have you been in this industry?
We have been in it since 2004.
3. Do you accept sample order?
Of course, please contact us for details.
4. Can you do OEM?
Yes, we can.
5. How do you control the products quality?
Each product will be inspected in strict procedure before delivery.
6. How about your after-sales service?
We can offer technology support to slove all problems.
If quality problem, goods can be return or replaceable.
7. What is your payment items?
Usually 30% deposit in advance by TT, delivery agains balance. L/C is also OK!
8. What is your delivery time?
7~15 days upon receiving deposit.
9. What is the package?
Plastic box (inner) and Wooden case (outer).