Aluminum pipe is a kind of non-ferrous metal pipe, refers to the pure aluminum or aluminum alloy through extrusion processed into along its longitudinal length of hollow metal tubular material.
Bees, whose scientific name is Apoidea in Latin, belong to the phylum Arthropoda, are winged insects, can fly, have poisonous stingers, and can sting people. Hymenoptera is distributed all over the world except Antarctica. It is a large family with many m
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Zinc alloy die casting is a precision casting method that uses high pressure to force the molten metal into a metal mold with complex shapes. It is a precision casting method.