... , QNP specializes in R&D as well as manufacturing of steam turbine, gas engine unit, mud pump and drilling ... equipment, perfect quality inspection method, reliable quality control system, ensures QNP as one of the leaders in the ... QNP has passed ISO9001:2000 International Quality Management System, ISO14001:2004 Environmental Management System, and OHSAS18001:2007 Occupational Health & Safety ...