AVONFLOW BAIYILUN TRV CO.,LTD located in Wenzhou,Zhejiang,China. Our company was established in 2004. We specialize in the development and manufacture of heating and temperature control products. 
Baiyilun constant temperature control valves, used in pressure temperature regulator of city heating and hot water system, are equipped with body as automatic constant temperature control valve. This valve doesn't need exterior energy while automatically controlled by indoor temperature, which can not only save energy but also protect environment and give you a suitable indoor temperature. 
Manufacture and test of Baiyilun constant temperature control valve of radiator is according to
GB/T13927-92;EN215-1 standard and through the test of Beijing Construction Project Quality
Testing Centre. Our company also has advanced and complete testing and inspecting instrument.We design the styles according to the customers' target price, and we have established our quality control system to meet our customers' request. The products we make are very cost-effective and quality guarantee.The current production capacity is around 150,000 pieces per month. 
In the past years, we also form our enterprise culture, the company is driven by clear point of value
Our tenet is: quality first, credit foremost, warmly serve for customers
Our Determination is : honest is root, develop by technology, strive to exploit, and advance with times
We are expecting your kind attention.