Zhaoqing Aoyi Machinery Manafacturing Co., Ltd., the largest vacuum equipment manufacturer in south China with over forty years experience of design and manufacturing in vacuum field and corrugated papar on the basis of ISO9001/2001, enjoys the fame as "High Technology Company" nominated by Guangdong Science & Technology Association, taking the position as vice-chairman in China Vacuum Equipment Association, has created first-rate techniques, first-rank quality and excellent service by advanced management concepts.