四川宏华国际科贸有限公司
HH (Honghua Group) has developed into not only a large-scale equipment manufacturer and drilling service enterprise engaged in the research, design, manufacturing and general assembly of drilling rig, offshore engineering and equipment for oil exploration and development, and also the largest drilling rig export enterprise in China and one of the greatest global manufacturers of land rigs. In March 2008, HH was successfully listed in the Stock Exchange of Hong Kong Limited, and became the first listed drilling rig manufacturer of China.
Website：www.hh-gltd.com