... OEM experience 4. ISO9001:2000 Specifications: 1. Product Name: Brass Fire Hydrant, Brass extinguisher valve2. Raw Material: Brass 58-3A, C37700, ... /2”, 2”, etc, can be customized.4. Structure: Forged body, brass Core. 5. Surface: Yellow brass color, or Nickel ... are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds ...