美国采购需求：ASA合成树脂瓦、PVC屋面板、聚碳酸酯板、FRP玻璃纤维防水板、钢卷、夹芯板

I'm looking to gather more information regarding the availability of certain products we're interested in. It would be really helpful if you could provide details on stock levels, lead times, and any minimum order quantities we should be aware of. Additionally, if there are any upcoming production schedules or restocks, that info would be great to know. Also, if you have any variations or special options for these products, please include that as well. We're keen on understanding all the possibilities so we can make informed purchasing decisions. Appreciate your quick response on this!