China Chamber of Commerce for Import and Export of Machinery and Electronic Products
China Foundry Machinery & Technology
China Machinery & Electric Industry
China National Machinery Import Corporation
China Petroleum Machinery
College of Machinery and Electronic China University of Petrolum
academic ideas in China
About Chili Pepper Civilization in China
abnormal precipitation in South China
亚洲栽培稻(Oryza sativa)
华南春季降水
Abandoned chemical weapons in China
a western south China sea gas field
A trip to the border area in the north of China