SMC Corp. of America has announced the release of its new Series SGC coolant valve with a service life of 5 million cycles or more, for use in machine tool and auto industries.

• 美国SMC公司宣布将开始出售该公司使用寿命可达5百万转甚至更多的新系列SGC冷却阀。这些新系列的阀门主要用于机床及自动化工业。