瑞士采购需求：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 source polycarbonate sheets and would appreciate more information about your offerings. Could you please share details regarding the different types, thicknesses, and any special features you have? Additionally, it would be great to know the pricing structures, minimum order quantities, and lead times for delivery. If you could also include any available certifications or samples, that would be helpful in making a decision. Thanks!