"China Instrument Manufacturers Directory" with the rules:
First, instrumentation products by category
I automated instrumentation and systems
Temperature, pressure, flow, and material-bit, mechanical volume display meter, recording, adjusting instruments, control valves, actuators automated control systems and other automated instrumentation devices
2 Electrical and Electronic Instrumentation
3 Optical Instrument
4 Analytical Instruments
5 testing machine
6 laboratory instruments and devices
7 dedicated instrumentation
8 sensors, instrumentation components and materials
Miss Nine measurement standard, measuring instrument, weighing apparatus
10 Medical apparatus and instruments
11 cultural, office machinery
12 other instrumentation and related products
Second, each category of products, manufacturers in accordance with the People's Republic of zoning administration, sorting by the regional administration of the alphabet in alphabetical order
Three, the same vendors, by unit administrative areas of the phonetic name in alphabetical order
Fourth, each vendor information including name, address, zip code, telephone, fax, contact person, e-mail address, Web site, the main products or scope of business to satisfy the user to understand the needs of manufacturers of information (Note: such as manufacturers information when a particular vacancy, then this information does not appear)
Friday, unit name of two or more units in parentheses are the names used units