Kaishan group was founded in 1956 and it is an enterprise group which developed from Kaishan Co., Ltd, which is a backbone enterprise fostered by Zhejiang provincial government and attains a good reputation in the province, the group has been honored as the company of good faith, the civilized enterprise at Provincial Level.”Kaishan” brand products and the trademark have been honored as “Zhejiang Famous Brand” and “Zhejiang Famous Trademark” for many years continuously. In Sep.2005,Kaishan group has been honored as “Zhejiang Famous Enterprise “  and now the group has become the biggest manufacturer of air compressor and rock drill machine in China in terms of the production scale and market share. In Dec. 2006, the Kaishan Brand Air Compressors have been granted as “Products Exempt from Inspection”. Kaishan group is one of the first enterprises who get this honor. 

The Industrial Park of Kaishan Group covers an area of 360,000 sq.m , and owns more than 3800 employees including more than 1000 ones with professional titles. The total asset of the group is about 0.75 billion RMB . In 2005, the total sales volume of Kaishan group reached 0.76 billion RMB and turned over 30 millions RMB worth of taxes. The Kaishan Group then developed itself a national large-scale enterprise .In 2006 , the total sales  volume of the Group achieved 1.1 billion.

The Kaishan Group consists of the following 18 subsidiary companies as : Kaishan Co.,Ltd , Kaishan Co. Ltd Marketing Subsidiary company, Zhejiang Kaishan General Machine Co.Ltd , Zhejiang Kaishan Cylinder Liner Co.Ltd , Zhejiang Kaishan Foundary Co.,Ltd , Zhejiang Kaishan Kevin Screw Machinery Co.,Ltd , Zhejiang Kaishsan Pressure Vessel Co.,Ltd , Zhejiang Kaishan Imp & Exp Trading Company , Quzhou Kaishan Engineering Machinery Co.,Ltd , Quzhou Kaishan Rubber & Plastic Co.,Ltd ; Quzhou Kaishan Payment Machinery Co.,Ltd , Quzhou Kaishan Mining Machinery Co.,Ltd , Quzhou Air Compressor Factory Co.,Ltd , Quzhou Kaishan Pneumatic Tools Co.,Ltd . Quzhou Kaishan Drilling Tool Co.,Ltd , Hangzhou Pneumatic Tool Co.,Ltd , Zhejiang Qujiang MSG Co.,Ltd. and so on totoal 18 subsidiary companies.

The group owns advanced machining center , automatic production lines , heat treatment equipments and other top-rate processing and inspection facilities imported from UK ,America ,Japan and Germany .the number totals more than 1000 sets .

The leading products of the group are screw air compressor ,piston air compressor , rock drill , screw air end , pressure vessel, foundry products , cylinder liner , pavement digger machine, down the hole drill ,anchoring drill , pneumatic tool , rubber and plastic products and monosodium glutamate and etc, which amounts to 13 categories more than 800 varieties . The group has passed ISO9001:2000 accredidation.

 The Kaishan brand product has its customers throughout the county. With its first-rate sales service, the group has its products exported to more than 20 countries and regions in Asia, Africa and Latin America.

In pursuit of “4211 Development Strategies”, Kaishan Group proceeds with the time and makes continuous innovation, with the reform of core technology as its basis, the development of marketing channels as the center and the rejuvenation of the national industry as its responsibility. In 2005, Kaishan Group cooperated with the National 863 Project Team of Xi’an Jiaotong University and made great investment in the project of the development of screw air compressor, now the product has been put into production. With years of efforts, the group tries to establish itself as the manufacturer of compressor with overwhelming scale and international competitiveness under its own brand name, a multicultural industry with core technology and competitive edges.