Yin Qing Liu

Dongxu Group Co., Ltd. engages in optoelectronic display industry. Its business includes optoelectronic display materials, high-end equipment manufacturing, new energy vehicles, and graphene industrialization applications. The company was founded in 1997 and is headquartered in Beijing, China.

Dongxu Optoelectronic Investment Co., Ltd. provides professional contracting and project investment services. Its business activities include project consulting, product design, technology development, import and export, and sale of machinery and electronic products. The company was founded on May 18, 2009 and is headquartered in Beijing, China.