The Hunan Vanguard Co., Ltd. is a large enterprise owned by China South Industries Group Corporation, which has the fixed asset 1.5 billion, and covers an area of 8, 130, 000 square meters. There are more than 3100 employees in the Vanguard. The company is the one of the drafting of national standards in Scroll air compressor. The technology has achieved the international advanced standard. The company has passed the standard of ISO9001(2000), and the products are exported to the western countries, such as Southeast Asia, Kazakhstan, Iran, North America and so on, thus the company became the main production base of scroll air compressor in China.

The Hunan Vanguard Group Co., Ltd. Centralized superior resources to develop the air compressor. And the compressor department has the products research, manufacture, supply and sales in one and built corporation relation with xi'an jiaotong university and central south university which combined production, teaching and researching together. This company is making full use of its technical advantages in the field of compressor to train technical personnel and building elite team so as to become the benchmarking enterprise in compressor industry.