The secret to the 40oz vacuum insulated double wall coffee tumbler's superior performance is its vacuum insulation technology. The tumbler is designed with two layers of stainless steel that are
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Airtight steel wire buckle coffee tin box, tinplate material can body and environmental protection plastic material can lid. Coffee tin can with sealing ring, can body plus steel wire buckle. Sealing
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Large steel pipe lines in leaflets plates as raw material are LSAW (Longitudinally Submerged Arc Steel Pipes), which have the steel plate in the molding machine or mould so that it comes out as a
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