紫铜三通和弯头COPPER FITTINGS
友拓的紫铜连接管件按照美国"ASTM-B280"标准, 适用于较高压力需求的制冷系统.
Yotoo 's copper fittings are suitanle for use with the American"copper tubes for Air-conditioning and Refrigeration Field Service-ASTM B280".
COPPER FITTINGS
