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How & What

Our team attaches great importance to environmental protection, energy-saving and emission-reduction.

ASTM A513 Alloy mechanical tube

What is ASTM A513?

ASTM A513 is a standard specification published by the ASTM standard for cold-formed welded in round, square, and rectangular shapes.
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Spectacle blind flange

What is a spectacle blind flange?

A spectacle blind flange is machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed.
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