Shaped welded steel pipe shape: First of all, it is necessary to select the appropriate shaped steel pipe shape according to the actual needs, such as square, rectangular, oval, hexagonal, etc., to
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Shanghai Rokem Industrial Co.,Ltd: We produce TEL-B. This product is made by 61% Tetraethyl lead and 33.5% Dibromoethane. It is used for aviation gas as Anti-knock agent. It can improve the octane
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MSD is one of the most professional architectural mesh manufacturers and suppliers in China. Please rest assured to wholesale customized architectural mesh at competitive price from our factory. For
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