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Henan Youlong Petroleum Engineering Technology Co., Ltd. is located in Puyang City, where the beautiful oil city - Zhongyuan Oilfield is located, is a production and research and development...
A needle valve is a valve that can be precisely adjusted for a wider range of uses than other valves. For example, the cutting torch for flame cutting, the knob for adjusting the flame temperature is...
Gate valve with its pressure, temperature (high temperature), corrosion-resistant (a variety of material configuration), with two-way sealing function, wear resistance and long service life, etc....
Check valves, also known as check valves or check valves, are designed to prevent backflow of media in the line. The valve of the opening and closing member is opened or closed by the flow of the...
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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.