About us

Quality First.
We have been doing all effects to produce higher and better quality products to meet our clients’ needs. Till today, we have good co-operations with clients from over 30 countries and regions.

In addition, we have good relationships with Chinese famous drill rig manufactuers, so we can supply our clients full set drilling tools and equipment from core bit to drill rig.

Quality Guarantee
Our company pays attention to products’ quality and abides to credit, and also do our best to provide the best products and excellent service to customer. To build good after-sale service system, we draw up the Quality Guarantee according to the standard of profession and combining practice experience.

Products	Problems	Settlement
Diamond core bit	1、Size, and/ or technical parameters (matrix etc.) are different from the requirements of client’s purchase order.	Replacing
	2、Thread can not fit clients’ barrel.	Repair or replacing
	3、Break down a piece from matrix, and the volume of the piece exceed 2mm x 2mm x2mm, and such break is not caused by drilling.>	Replacing
	4、Matrix falling not caused by drilling.	Replacing or return
	5、Groove on matrix caused by manufacturer.	Replacing or return
	6、drilling speed is obvious slower than congener products caused by manufacturer	Replacing, and each item quantity is not exceed 3 pieces.
	7、bit life is obvious short caused by manufacturer
	8、Breaking down of matrix, falling matrix, groove and short bit life caused by operating reasons—drill rod sticking, premature failure of the bit crown and hole-bottom not to be cleaned	It is not in Quality Guarantee
	9、Short bit life and abrasion caused by drilling machine, drilling techniques or parameters
	10、Properly wearable and the matrix is finished.
	11、Thread damaged and distortion made by operator
	12、Body crack in drill	Replacing or return
Reaming shell	1、Head is not correct	Repair or return
	2.Body crack in drill	Replacing or return
	3.PCD bars falling	Replacing or return

Notes：If there are any other problems not contained in the above table, the settlement will be based on the negotiation between two parties (Forsun Co., and the Client).