Luoyang Guo'ao Heavy Duty Machinery Co., Ltd. (Luoyang Huayu Briquette Equipment Factory) is located at the intersection of National Highway 310 and Luoyang Round-the-city Expressway, Luoxin Industrial Park, Luoyang- the ancient capital of 9 dynasties. It is the biggest enterprise in China specialized in process design, equipment manufacture, and bonding agent technological service of 30~500 thousand tons throughput per year whole set of briquette production line and mineral powder molding production line. Endowed with complete quality system and after-sale service system, it is the national designated unit of foreign aid project of briquette technological reformation.