Guo Qing Tang

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.

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.

Vanho Securities Co., Ltd. provides investment advice. The company is based in Haikou, China. The Chinese company is a subsidiary of China Vanke Co., Ltd. and ultimately controlled by the City of Shenzhen. The company was founded in 2002. The CEO is Qi Yang.

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.

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.