説明
1 PC Rubber Cross-Slit Silicone Valve In order to advise you a perfect cost high-quality valve, we wish to know: 1) Where does the valve you utilize in? 2) What varieties of medium will the valve come into contact with? Such as water, air, gasoline or else? 3) What is the using temperature? 4) What is the hole stress of the valve you requested? 5) What is the size/port length of the valve you want? 6) What is the once a year quantity for the valve? 7) More news like movement rate, back pressure and so on might be higher for us to help you
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