印度尼西亚采购需求：镀锌钢卷、Zm钢卷、镀铝钢卷、H型钢、钢桁架、铝卷

I'm reaching out to inquire about the availability and pricing for your Qrtes products. Specifically, I'm interested in understanding the different models you offer, including their features and specifications. Additionally, could you provide information on bulk purchase options, lead times, and any ongoing promotions? It would be great to know about your payment terms as well. Looking forward to your response!