Guangzhou Hui Sheng Information Service Co., Ltd.   

The guide to clean technology and equipment procurement, China clean room information network, and China clean room industry directory (www.hs-ghii.com, www.jjsxx.com) is sponsored by the clean technology branch of China Electronics Society and the clean room technology committee of China Refrigeration and air conditioning industry association. The procurement guide is a quarterly publication (four copies a year). There are other engineering companies, manufacturers, direct users, traders and so on. At present, our company mainly publicize some related exhibitions and free mailing forms in the cleanroom industry, and of course, there are some colleagues' introduction or other ways to understand our information, with a circulation of about 30000 copies per season. This quarterly has been 1 and a half years, and many enterprises in the clean industry are well aware of this quarterly. The...