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ZETIAN Technology is specialized in environmental protection and industrial process control. Main products include: air quality monitor, continuous emission monitoring, water quality analyzers and gas analysis modules. Complete instrument OEM & ODM.

CEMS refers to the device that continuously monitors the concentration and total emission of gaseous pollutants and particulate matter discharged by air pollution sources and transmits the information to the competent authorities in real time. It is known as the "automatic flue gas monitoring system", also known as the "continuous flue gas emission monitoring system" or "on-line flue gas monitoring system".

A physical online gas analyzer. According to the principle that different gases have different heat conductivity, the content of some components in the mixture can be calculated by measuring the thermal conductivity of the mixture.

Here at Hangzhou Kaisa Car Accessory Co.,Ltd, we provide the best seat covers at the right prices. All our products are made from weather-resistant, durable and color-fast fabrics with super soft sponge lamination for maximum comfort and protection from everyday wear and tear. A variety of increasingly unique styles and designs are always ready for difference tastes and choices. As a direct manufacturer, we support both wholesale and retailing customers. You're always welcome to have a try of our goods in a small quantity instead of the whole container. Officially tested airbag safe stitching technology is being strictly applied to every of our seat covers for top safety purpose. Rest assured and happy driving. We also have a great selection of other auto care products: steering wheel covers, floor mats, car covers, car organizers, safety vests, travel pillows, sunshades etc.

http://www.china-sealcon.com/ Hangzhou Sealcon Fluid Machinery CO., Ltd was established in 2011, with Sealcon trademark we specialized in mechanical seal design, manufacturing, maintenance and sales, as well as the pump valve spare parts procurement and sales. The main products are the complete sets of the mechanical seals, include cartridge seals, rubber bellow seals, metal bellow seals and o-rings seals, those products are applicable to different working condition.