Place of Origin:	Hunan China (Mainland)	Brand Name:	Great Wall	Model Number:	DTH Bit DHD350
Material:	Alloy Steel + Carbide	Processing Type:	Forging	matching:	match over 95% against world famous brand
Button shape:	Spherical and Ballistic,Round	Bit face shape:	Flat face,Drop center,Convex,Double Guage,Concave	Use:	Ore mining,well drilling,quarrying,construction project,ect
Color:	As per request	MOQ:	No MOQ	Certification:	ISO9001:2008
Production capacity:	3000 sets/per Month	Packaging Detail:	Standard export carton,or as per request	Port:	Chang Sha

Compared with the overseas brands, our advantages are as following:

1. Our DTH bits are interchangeable with the world's famous brand(Atlas Copco,Ingersoll-Rand,)

2. Price are competitive against the famous brands and good quality against the small factory.

Features: 

1.      Energy-saving and more durable due to high quality of alloy steel materials and advanced heat treatment adapted. 

2.  Good flushing effect ensure high drilling rate.

3.  Good hole cleaning ability.

4.  We can design and manufacture according to customer's requirement of the Bit  

Diameter,NO. of air holes,button shape and the face shape.

About Us:

1. Our factory has been specialized in manufacturing & exporting drilling tools and spare parts over 10 years.

2. We have advanced technology and equipment.

3. Our technician has more than 10 year's professional working experience.

4. Our products are exported throughout the world. Main market:Russia,USA,South Africa,Canada, Australia, Brazil, Uruguay, etc.

Questions you may be interested in:

1.     Payment:  T/T,Western Union,Paypal

2.     Delivery time:  Based on your order qty, generally it takes 15-20 days for

production.only need 2 or 3 days if it's available in our stock.

3.     Shipment:

Trail order: we suggest by DHL,express

Bulk order: we suggest by sea.

4.  Quality control:  We have our experienced QC Dep.

They will perform stick inspection and tesing for every order before shipping out.

5.  About aftersale services

Our sales team and technical Dep. Will be available at any time.(Holidy excluded)

If you need more informatin about our products,Pls kindly visit our website:

http://