​An Iron Roughneck is a piece of equipment used in the drilling industry to make connections between drill pipes. It's essentially a hydraulic-powered wrench that can provide enough torque to tighten or loosen threaded connections between sections of drill pipe quickly.

On the afternoon of March 30th, Xie Chang, the Human Resources and Corporate Culture Manager of JJC Petroleum Equipment Co., Ltd., along with volunteers including Mr. Wang and Ms. Li from the Ronghua Street Disabled Persons' Federation, visited and comforted several families of disab