production detail: 1. we supply wall-hung boiler parts 2. material: brass 3. ISO9001 and ISO14001 4.market ... 1. material: brass2. ISO9001 and ISO140013. such kind of wall-hung boiler parts is for gas boiler4. market: Germany, Japan, Poland, Italy, France, ... Panasonic, Riello, Thermowatt, Fotile, Karcher, Gaasu and other famous companies home and overseas 7.we can manufacture according to customer's ...