Shandong XinRuiTuo Precision Industry Co., Ltd: We're well-known as one of the leading polyurethane valve seal, valve assembly, polyurethane screen, polyurethane hollow rod, concrete piston seal in
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Shandong XinRuiTuo Precision Industry Co., Ltd: We're well-known as one of the leading polyurethane valve seal, valve assembly, polyurethane screen, polyurethane hollow rod, concrete piston seal in
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Compared with the flange with neck, the plate flange can be divided into carbon steel plate flange, stainless steel plate flange and alloy steel plate flange according to the material. The structural
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