Update 2014.10.22 Contact us here from We would like to express our deepest sympathies to all those affected by the Great East Japan Earthquake. [2014.8.2] Nikken Glass Co., Ltd. celebrated its 66th anniversary today on August 2, 2014. We would like to express our sincere gratitude for your patronage and support. We will continue to make every effort to provide better products, construction, and services . Thank you for your cooperation.