Locate India
Wednesday, 24 February 2016
   

welcome to T.R.K Group Co., Limited



CONTACT US

Contact Person: Mr. Manager

Address: No. 59 Guangyuan East Road Yuexiu District Guangzhou City

Guangzhou , Guangdong , China - 12345

Phone:+86-020-22364636

Mobile:+86-18603051595

Email:



OUR PRODUCTS

Alternator Bearing

We supply all kinds of bearings with competitive price in gloable brand, such as nsk, fag,skf, timken, iko, koyo and etc


Fork Lift Bearings

We supply all kinds of bearings with competitive price in gloable brand, such as nsk, fag,skf, timken, iko, koyo and etc


Industrial Bearings

We supply all kinds of bearings with competitive price in gloable brand, such as nsk, fag,skf, timken, iko, koyo and etc


Metalized sapphire window

Metalized sapphire windows are created by applying thin layers of chrome, nickel and gold around the edge of a sapphire window. This metalized edge creates a surface that can be soldered or bonded directly into your opto-mechanical assembly allowing you to create a hermetic seal. Hermetically sealed optics is used in a variety of applications ranging from infrared imaging systems to medical devices. Technical capability Material: optical sapphire (Al2O3) Diameter tolerance: +0, -0.1mm Thickness tolerance: +/-0.05mm Clear aperture: 90% Surface quality: 80-50 scratches and digs Surface accuracy: 2 lambdas per 25.4mm @ 632.8nm Parallelism: < 3 minutes Coating: AR coating, T > 98% @ 1260-1600nm Metalizing: Chrome, Nickel, and Gold; sputtering method or screen printing method




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