Qingdao Chang Yuan Tong Industrial Co., Ltd.   

The company is a high-tech enterprise integrating environmental protection, trade and industry. It is mainly engaged in environmental inspection, hygiene and epidemic prevention inspection and laboratory equipment development and development. The company has high-quality scientific research and technical personnel and perfect quality management system. The main products are: (1) XY-8012 type COD constant temperature heater (digestion instrument); (2) XY-8006 type intelligent constant temperature digestion instrument (digester) (3) XY-1211 type catalytic fast COD tester (4) XY-6020 intelligent electronic soap film flowmeter (5) XY-2201 double channel atmospheric sampler; (6) XY-120 type medium flow rate (TSP/PM10) sampler; (7) XY (KB) multi series air sampling pump (scraper pump); (8) XY (KB) type smoke and dust sampling pump; (9) XY-6 type multifunctional impact air microorganism sampler (10) XY- type II water quality proportional sampler; (11) flue gas on-line monitoring system (CEMS) all kinds of accessories (12) automatic smoke and smoke tester fittings Contact number: 0532-89677962; 85986901; Contact person: Mr. wu; Company website: www.qdcyt.com