Sinopec Engineering (Group) Co., Ltd. (SEG) announced Saturday that a crawler crane with the largest hoisting capacity in the world was put into use. The crane, with the maximum lifting capacity of 4,000 tonnes, successfully lifted and installed a 118-meter-tall, 1,679-tonne propylene tower at an industrial park in Yantai city, east China\'s Shandong Province. The crane was jointly developed by the SEG and Xuzhou Construction Machinery Group (XCMG). The SEG, a wholly owned subsidiary of China\'s top oil refiner China Petrochemical Corporation (Sinopec), was launched in September 2012 and started listed on the Hong Kong Stock Exchange on May 23.