YSH starts producing flue pipe

The first customer began cooperating with Ariston

YSH began cooperating with Viessmann, Bosch, Vaillant

YSH set up the new plant with a construction area of 15,000㎡

The factory obtained ISO9001 certification

YSH began cooperating with A.O.SMITH

YSH is the main drafting unit of editing the national urban construction industry standard "Flue pipes for combustion appliances" (CJ/T199-2018) which is published by Ministry of Housing and Urban-Rural Development

YSH was awarded a National high-tech enterprise

YSH obtained the China CGAC certification

YSH set up the new plant with a construction area of 24,000㎡