Metallurgy and Mine

The Petrochemical industry of Nanjing
The jinshan Petrochemical industry of shanghai
The Petrochemical industry of shandong
Jiangsu raises the sub petro-chemical corporation
BASF’s petrochemical industry
Daqing oil field
River Chinese oil field
Dagang Oilfield
Chemical Limited Company of Nanning
Pipeline Co., Ltd. of Petroleum Company of the People’s Republic of China
Petroleum office of North China
Chemical industrialized country of Nanjing ,etc

Submersible Sewage Pump Metallurgy and Mine

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