This undated photo captures workers carrying out tasks relating to construction of a refinery project at a petrochemical industry base in Lianyungang, Jiangsu province. (WANG JIANMIN / FOR CHINA DAILY)

NANJING – China's largest refining and chemical integration project in Lianyungang City, east China's Jiangsu province, was put into production on Monday.

The project, undertaken by Shenghong Petrochemical with an investment of 67.7 billion yuan (about $10 billion), has an annual processing capacity of 16 million tons of crude oil.

The project, undertaken by Shenghong Petrochemical with an investment of 67.7 billion yuan (about $10 billion), has an annual processing capacity of 16 million tons of crude oil

Shenghong is one of the three major private petrochemical refining projects supported by the State Council, said Ma Shiguang, mayor of Lianyungang City, adding that the operation of the project will be of great significance in accelerating the transformation and upgrading of the industrial structure in the city.

ALSO READ: Report: China to emerge as the world's biggest fuel refiner

The project broke China's records in a number of technological fields and boasts the largest atmospheric and vacuum distillation unit.

The project is expected to play a key role in bridging crude oil refining and high-end chemical engineering, and raising the localization rate of crucial chemical products.

Lianyungang is one of the country's major petrochemical industrial bases.

READ MORE: Refinery shows energy ties win-win for China, Saudi