Located in Qingdao, our factory manufactures high precision devices by the use of granite stone, using best quality granite of "Ji'nan Black" as raw material.

As a professional granite precision component supplier with experience for more than 15 years, we mainly deal with various kinds of granite precision component such as granite surface plates, granite inspection plates, granite parallels, granite squares, granite angles, granite straightedges, granite V-blocks, granite rules, air bearings, block gagues, vibration insulated feet, supporting stands, adjustable stands/jacks, inserts.High quality, competitive price and timely delivery of our products are guaranteed.

We always adhere to the enterprise spirit of "integrity, diligence and innovation" and sincerely welcome friends from at home and abroad to negotiate business with us for our mutual benefit.

Presently we manufacture a wide range of granite inspection toolings, including granite precision component, granite surface plates, granite inspection plates, granite squares, granite angles, granite straightedges, granite V-blocks, granite rules, air bearings, bolco gague, Vibration Insulated feet, supporting stands, adjustable stands/jacks