API Standard PDC Core Bits PDC Drilling Bits For Petroleum Drilling

Product Description

Diamond Core Drill Bits , Diamond Drill Bits for Mable, Granite Stone

Suitable for handled drilling machines,drilling granite,marble and stone;
For dry use on granite
Diamond brazed technology drill fast and easy
six vacuum braised side-protection for longer life
Cooling slots for easier core removal when stuck.
Safty and economy package
Colors of steel can be painted as request.
Fast,smoothly and durability.

Our Advantages 

a. Extensive production experience: we are specialized in diamond bits,diamond drill bits, drill rods,wireline drilling tools etc with an experience of 10 years.

b. Complete production facilities: owning precision CNC machine, milling machine, quenching machine, precision lathe,sintering machine and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

c. High quality raw material: we mainly choose raw material from big steel factory, such as WuGang, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.

d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.

e. Short Delivery time: If one container 15-20 days. We also stock some standard-sized tubes and rods, if you need 3-5 pcs, we can delivery soon.

f. Safe packing: anti-rust oil be spread on tubes and rods before shipping, plastic caps on tube ends to protect inside surface, each rod be protected with cardboard tube. Finally be packed with seaworthy package or in wooden case.

g. Best after-sale service: Over 60% products are sold to the Southeast Asia, Middle East and South America and all products are trusted by domestic and foreign customers.

Our service                                            
 1. Pre-sale service: 
1) DingLi will provide production design, quotation sheet, working sites video, machinery photos. 
2) Welcome to visit us at any time, we will pick you up.
 2. Sale service: 
1) Keep clients updated when our company gets advance payment.
2) Confirm production details with clients.
3) Take photos and send all pictures to customers during production.
4) Inspection and testing the product before delivery; 
5) Clients are welcome to inspect the equipment when the equipment are ready to delivery. 
6) logistics service if needed.
 3. After Sale service: 
1) Provide foundation drawing to the clients for installation.
2) Besides, our engineers are available to help with installation and workers training.
3) Repairing and maintenance if any problem during the warranty.