Sichuan Tongyi Technological Development Co., ltd. armed with the outfit punching , assembling, welding & surface treatment advanced equipments , is one of the leading manufacturers and exporters of heat exchanger for wall-hung boiler in China. We locate in Mianyang city Sichuan province-Chinese technology city. Our heat exchangers are sold well all around in China and our annual output of heat exchanger for wall-hung boiler is 500,000 sets now. Our principle is : " Quality, Honesty, Strength and Innovation " We gained ISO9001:2000 in the Mar. of 2007andISO9001:2008 in the Mar. of 2010. We have many excellent and well-experienced engineers and they are the guarantee of our quality.
We are looking for partners to develop global markets on the basic of equality mutual benefit. Should you require any further details about any of our products or our corp., please do not hesitate to contact us.