Twelfth Dongying International Petrochemical Equipment and T
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September 28, 2019, the 12th China (Dongying) International Petroleum and Petrochemical Equipment and Technology Exhibition was successfully concluded with fruitful results. The exhibition lasts for three days, with a total exhibition area of more than 40,000 square meters, 365 exhibition enterprises and more than 2000 procurement enterprises. More than 10,000 businessmen from more than 50 countri...