Testimonial from Public Construction Commission, Executive Yuan

December 2018

Testimonial from Bureau of High Speed Rail, MOTC MRT Engineering Office

February 2015

高速公路局感謝狀

Testimonial from Taiwan Area National Freeway Bureau, MOTC

November 2012

Testimonial from High Power OPTO. Inc.

January 2012

Testimonial from Excellence OPTO. Inc.

November 2011

Testimonial from Chia Hsin Cement Corp.

June 2010

Testimonial from Changhsuan Development Co., Ltd.

June 2006

Testimonial from Taipei TRTC

December 2003

Testimonial from Shin Kong Life Insurance Co., Ltd.

November 2002

Testimonial from Shin Kong Life Insurance Co., Ltd.

November 2002

Testimonial from Taipei Municipal Government

November 2002

Testimonial from Powertip Display Corp

October 2001

Testimonial from CANDO Co.

August 2001

Testimonial from Helix Technology Inc.

January 2001

Testimonial from SUMI-PAC Electro-chemical Co.

November 1998

Testimonial from National Chiao Tung University

May 1998

Testimonial from Chia Chi Development Co. for Eiffel Landscape Bldg.

March 1998

Testimonial from Feng Hsin Iron & Steel Co., Ltd.

October 1995