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The key role of the vacuum valve in the design of a vacuum system Pfeiffer Vacuum offers valves for high to ultra-high vacuum. Isolation valves enable separation of different pressure ranges, while pressure control valves allow defined gas flows into a vacuum system.
Since January 1, 2017, the national fifth emission standard has been officially implemented nationwide, and the sixth emission standard has actually been quietly promoted. After the official implementation of the National VI Standards, it will become the most stringent motor vehicle emission standard on Earth, which will directly affect the current automotive market environment. Not only will consumers be affected, but the time left for major car manufacturers is also limited.
