| 1. | Besides , parker is also a famous supplier for refrigeration and air conditioning components including all kinds of sporlan products , such as mechanical and electric expansion valves , solenoid valves , filter driers , sight glasses , level master liquid controls , mechanical and electric pressure regulating valves , check valves , shut off valves , oil separators , and other industrial valves for r717 etc
除此之外，派克汉尼汾还是一家全球著名的冷冻与空调另部件的供应商，其中包括美国斯坡兰生产的各种产品，如，机械的和电子的膨胀阀，电磁阀，干燥过滤器，视镜，液位控制器，机械的和电子的压力调节阀，单向阀，截止阀，油分及工业用氨阀等等。 |
