Yan Zhang

Zhong Yin Law Firm is one of the earliest approved partnership law firms in China, established in January 1993. The firm is headquartered in Beijing and has more than 30 branch offices in cities such as Shanghai, Tianjin, Shenzhen, Chengdu, Nanjing, Hangzhou, Wuhan, and Guangzhou. It is a leading international and specialized law firm in China.

Shenzhen Seaskyland Technologies Co., Ltd. is a holding company that engages in the development and provision of educational software products and services. Its services include total solutions for the field of education, application software, software services and data processing services. The company was founded on August 23, 1997 and is headquartered in Shenzhen, China.

Shenzhen Mesada Technology Co., Ltd. is engaged in the manufacturing, selling and developing the global positioning system (GPS) equipment. The company was founded in 2005 and is headquartered in Shenzhen, China.

Shaanxi Rock New Materials Co., Ltd. engages in the research, development, production, and refine of precious metal catalysts. It manufactures palladium chloride, chloroplantinic acids, and palladium dichloride products. It also offers precious metal palladium, platinum, ruthenium, rhodium, and carbon-supported catalytic agents. The company was founded on August 26, 2003 and is headquartered in Baoji, China.