Ta Chi Tao

Part of Yuanhan Materials Co. Ltd. /New/, Hydis Technologies Co., Ltd. is a South Korean company that manufactures and distributes liquid crystal display products. The company is based in Icheon-si, South Korea.

Part of Yuanhan Materials Co. Ltd. /New/, Yung Yue Investment Co. Ltd. /E Ink/ provides investment services. The company is based in Taipei, Taiwan.

Part of E Ink Holdings, Inc., Chuanyang Electronic (Yangzhou) Co. Ltd. is a Chinese company that wholesales electronic goods. The company is based in Yangzhou, China.

Yangzhou Huaxia Integrated Photoelectric Co. Ltd. is a private company that was established in August 2013. The company is based in Zhangpu County Huangcang Industrial Park and has qualifications for testing construction and municipal engineering materials. The company is based in Yangzhou, China. The Chinese company has 20 professional technical personnel, with 45%% of them being intermediate and senior title holders, and over 70%% having college degrees or higher. The company has a testing site of 1300 square meters and more than 200 sets of professional testing equipment. The company is a high-level engineering testing institution that emphasizes both theory and practice. and has subsidiaries in China.