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This video compares 1D engine valves with ordinary engine valves to teach you how to identify high-quality engine valves. 1. The appearance is very smooth and free of impurities 2. The valve adopts advanced technology, the tapered surface is integrated, smooth and flat, and has strong sealing performance. 3. Use friction welding process to combine the two parts into one, which is strong and not easy to break. 4. Made of heat-resistant steel rods, long life, strong heat resistance and corrosion resistance
2024/04/19
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.