THE Changling Oil Refinery was built in 1971. Located on the edge of Tungting Lake in Hunan ' province, it turns out fuel oil for the province. For the past seven years output, variety and quality of...
Please login first!
THE Changling Oil Refinery was built in 1971. Located on the edge of Tungting Lake in Hunan ' province, it turns out fuel oil for the province. For the past seven years output, variety and quality of...