Hunan Diyfia Group Company, located in beautiful Changsha city, Hunan province,  We are a professional manufacturer specializing in mining operations required mechanical equipment and drilling accessories. Research, development, production, marketing and after-sale service in one of geological mining drilling machinery enterprise . We have 26 years of experience in R&D, the products through Hunan province and technical supervision inspection, with 11 national patents and are listed in the "national key new product ".

We has won the Outstanding Business Award, and many times ashonesty, service and advanced company, is the back-born of the drilling field.
 
Main products:
1. Drilling Area:
Drilling Rigs machine (Portable Engineering drilling rig, Coring drilling rig---etc)
Mud Pump (BW120, BW160, BW160/10,BW250,BW280,BW320,BW450---etc.)

2. Drilling Accessories:
Drilling rod and casing pipe : wireline drill rod, W series casing pipe.
Core barrels: wire line core barrel, double tube core barrel, triple core barrel and single core barrel
Drilling bits and reaming shells: Diamond core drill bits, PDC bits,casing shoe bits, Tricone drill bit, DTH bits, Reaming shells.
Drilling tools: overshot, SPT Sampler equipments and operation toolds.  

These products are widely applied to the engineering geology reconnaissance, water well, electricity, metallurgy, mining, coal, railways, roads, bridge,buildings and building materials.

Our team: 
Among them holding doctor 4 people, senior engineer 6 people, senior engineers 10 people, accouonts for about 40% of the total technical personnel, and university degree personnel account for 85% of the total number of workers in our company.
We set up the departments as: R&D  technology development, Marking sale ministry, Commericial, production, QC, Warehouse, after-sales service department, finance department and so on. 

Annual production capacity:
Our products sell well all over the world, reach more than 44 countries, as Morocco, Colombia,, Korea, Mongolia, Myanmar, Malaysia, Pihilippines, India, Ghana (golden project), Budan, Canada, Hungary, Pakistan, Brazil, Uyana, Bulgaria, Sri lanka, Spain, Kenya, South Africa, Qatar, Singapore, Turkey, Sweden, Slovakia, Finland, Uzbekistan---etc. Annual capacity could reach USD8million, we received high praise from our customers for our high quality and devoted service.

Thanks for both old and new customers to give DIYFIA the best and motivation support, we will continue to grasp the high quality, high efficiency, high technology principle to service for you.

At the same time, we sincerely welcome international friends to on-the-spot investigation and research, we also welcome you become our agent in oversea.

If you have interested in our products or any questions, please do not hesitate to contact us.