Mr. Yu is a professional Petroleum Engineer with over 35 years of experience in Domestic and International Oil and Gas. Since 1981, he has been a Petroleum Engineering Consultant and President of Petrotech Engineering Ltd. of Burnaby, BC. Petrotech performs independent engineering and economic evaluation of domestic and international, onshore and offshore oil and gas properties and related production and processing facilities including geological and reservoir studies, drilling including horizontal wells, completion, production, stimulation prognosis of oil and gas wells, wellhead and waterflood injection facilities, gas processing plants, compressor and pump stations and pipeline systems. Some of the evaluations are being used by public companies for filing of statement of material facts and prospectuses to the Provincial Securities Commissions, Stock Exchanges, the United States Securities and Exchange Commission, and banking institutions.