hi, this is Beijing viasho company. Our products have good quanlity with lower prices. please have a look at our website: http://www.viasho.com If you need our products, please contact me. That will be a pleasure to recieve your E-mail or call. My name is Frank Wang my msn:[email protected] http://www.viasho.com Phone: 86-10-52568969 Fax: 86-10-82958332 Beijing Viasho Technology Co., Ltd., founded in 2000 by Dr. Liu, is a Hi-tech company, which specializes in the R&D and manufacture of Diode Pumped Solid State (DPSS) lasers and related laser products. Beijing Viasho Technology Co., Ltd. has been manufacturing and selling Solid States lasers that with wavelengths including 457nm, 473nm, 532nm, 635nm, 660nm, 671nm, 808nm, 980nm, 1064nm, etc. These lasers are widely used in scientific, medical, industrial and entertainment applications. We have many years experience in researching and developing DPSS laser systems. Now we are one of the main suppliers worldwide for low-power and low cost DPSS lasers. Beijing Viasho Technology Co., Ltd. can also provide special service for non-standard requests. Whether your requirement in on our product list or not, we will modify or produce an entirely new design to satisfy your needs or application. Don't hesitate to contact our engineers and sales person for assistance with your applications. We are certain that we can provide a product to fulfill your needs.