印度尼西亚采购需求：制管机械，钢管生产线，ERW管厂，API管厂，冷轧机，镀锌钢管成型机

I'm looking for more detailed information regarding your products. Specifically, it would be great to know about the specifications, available variants, pricing, and any bulk order discounts you might offer. Additionally, if you have any product catalogs or brochures, please share those as well. Understanding the lead times and shipping options would also be very helpful in making an informed decision. Thanks!