菲律宾采购需求：镀锌管、无缝管、GI管、镀锌钢管、ERW管、无缝管

I'm looking for bullpen ends in a blue color. Please provide details on the available options, including material specifications, dimensions, and any customization that can be done for the color. Additionally, it would be great to receive pricing information, minimum order quantities, and lead times for delivery. If there are any samples or catalogues you could share, that would be helpful in making a decision. Thanks!