... .5. Certification: ISO9001:2000.6. Application: Water pipes, gas pipes, shower hose, air conditioner, refrigerator, fire valve, garden hose, high-level hygienic ... applications, our products are mainly used in: Water pipes, gas pipes, shower hose, air conditioner, refrigerator, fire valve, garden hose, high-level ... Please feel free to contact us for more information. . OEM Refrigerator Copper fittings