Qingdao automation instrument co., Ltd. (Qingdao automatic instrument factory) was founded in 1958, more than 350 people, engineers and technicians more than 70 people, the company covers an area of 72,000 square meters, is one of the earliest production enterprise for Vortex flowmeter, and passed the ISO9001 quality system certification, build famous brand "green stream".

"green flow" brand stress type Vortex Street flowmeter since Shang century 80 generation put market yilai, products get two items national patent, and won "national new products certificate", and China energy saving Association "excellent energy saving products certificate", and "chemical Department instrument instrument qualified for party certificate", in conferences quality technology supervision institutions quality supervision checks in the, by sample test the index all qualified, names industry vanguard.

main products has: wide range (k) type Vortex Street flowmeter; high temperature (h) type Vortex Street flowmeter; site displayed Vortex Street flowmeter; energy (heating) information management system (energy information cable RS485 management system and energy information wireless GPRS management system); Intelligent flow displayed instrument; intelligent heat product is instrument; 1151 type pressure variable sent device; YBY pressure variable sent device ; Electromagnetic Flowmeter and so on.

produced by our company exclusive "green stream" LUGB vortex of wide-range-stress meter, the national patent, is currently the only meet and reach in China (JB/T9249-1999) and (JB/T57198-94) standard grade index of vortex Street flowmeter. the minimum flow of extended type of sensor values and the range of indicators, at the leading level in the similar products at home and abroad.2002 year, new patent product sensor replacement probe, save the user trouble to repair cutoff, and steam (gas), liquid General. years "green stream" stress-Vortex flowmeter in production and sales in the domestic industry has been in a leading position. "green stream" product based on solid scientific and technological base, look ahead, and constantly develop new products, always ahead of the trend of the times.

for ensure products quality, company built has more sets perfect of water, and gas (steam) flow standard device, on factory of each Taiwan Vortex Street flowmeter for calibration, the standard device by quality technology supervision Council authorized for "Qingdao measurement test by flowmeter verification a station", on location area flowmeter products quality implementation supervision identification and cycle verification.

"green stream" people after nearly 20 years of continuous effort, not only has a high-quality product research and development, production and management of groups and also has a robust workforce. product innovation, users across the country, widely is thermal power, petroleum, chemical industry, food industry, machinery manufacturing industry, is ideal for flow measuring instruments.

"green stream" people's business purpose is: technology is based on the market, with advanced technology, reliable quality, quality of service as a criterion, sincere operation, to meet the needs of the various industries.