Xiamen Knano Xiamen Knano Graphene Technology Co., Ltd has collaborated with Prof. Guohua Chen, College of Materials Science & Engineering, Huaqiao University since 2006 and in May 2010, the company was registered as a privately held corporation. In August 2013, Zhongtai Chemical announced CNY 14 million (USD 2.3 million) investment and partnership with Xiamen Knano. Xiamen Knano