Shandong Keyu Water Treatment Co., Ltd: 23 years of experience as a water treatment agent manufacturer, integrating R&D, production and sales, 20000 square meter factory with an annual output of 80000
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Xiamen Lishui Technology Co., Ltd.: We're known as one of the most professional boiling water tap, chilled water tap, sparkling water tap, sensor taps, water filter manufacturers and suppliers in
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S275JR channel steel refers to a specific type of channel steel made from S275JR steel. S275JR is a commonly used non-alloy structural steel grade. It has a minimum yield strength of 275 MPa and a
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