Dear Ruan Aiwu,

Electronic Visions, Inc. is the leader in process equipment for the MEMS
industry. Today, Electronic Visions' systems are successfully being used
by leading research and development institutes, universities and
manufacturing companies worldwide.

We manufacture a full line of wafer frontside and backside mask
alignment systems, wafer to wafer alignment and bonding equipment
(anodic, eutectic, thermo-compression, SOI and fusion bonding), thick
photoresist coaters and developers as well as wafer cleaning systems.

We have in production today, aligning and wafer bonding equipment used
by international MEMS component suppliers for the manufacture of silicon
microsensors such as surface micromachined accelerometers and bulk
micromachined pressure sensors.

Please feel free to contact me at (602) 437-9492 Ext.145 or visit our
web site at http://www.elvisions.com

Regards,
Dr. Andy Mirza
Technology Manager
Electronic Visions, Inc.
Phoenix, AZ 85034
U.S.A.