Xian An Wang

Qingdao Huatong State Owned Asset Operation Group Co., Ltd. engages in the investment, operation, and management of state owned assets and major civil projects. Its business activities include industrial investment in modern manufacturing and service industry; venture capital; mergers and acquisitions and fixed capital; state-owned equity, capital operation, assets, debt, and debt restructuring; land consolidation and development; and provision of economic advisory services. The company was founded in February 2008 and is headquartered in Qingdao, China.

Xi'an Aohua Electronic Instrument Co., Ltd. engages in the research and development and manufactures of petroleum logging and testing instruments. Its products include exploration of petroleum and testing, digital signal controller single-core multi-function water flow logging tools, Schlumberger's water flow log neutron oxygen activated water flow logging tools, pulsed neutron full-spectrum saturation well logging tool, element logging tool, and high precision remaining oil saturation logging tools. The company was founded on March 1, 2001 and is headquartered in Xi'an, China.