Yantai Longyuan Power Technology Co., Ltd. engages in the electrical machinery and equipment manufacturing. It focuses on energy-saving business and environmental protection business. The energy-saving business includes fuel-saving business, graded economizer and MGGH under the economizer business. The environmental protection business includes low- nitrogen combustion business, flue plume control business under economizer business, wide-load denitrification flue gas bypass business, and comprehensive boiler renovation business. The company was founded on December 26, 1998 and is headquartered in Yantai, China.