product detail: 1. material: brass 2. ISO9001 and ISO14001 3. such kind of brass water valve 4. market: Germany, Japan, Poland, Italy, France,Hongkong and so on 5.production capacity: 7,000,000 pieces each year 6. main customer: Rinnai, Noritz, Ariston, Viessmann, Panasonic, Riello, Thermowatt, Fotile, Karcher, Gaasu and other famous companies home and oversea