南非采购需求：柔性石材、MCM石材、软石材、聚氨酯石材、PU石材、PVC发泡板

I am interested in understanding the delivery options available for shipping to South Africa. Could you please provide me with the various shipping methods you offer, including the estimated timeframes for each option? Additionally, I'd like to know the associated costs for these deliveries. Also, if there are any specific requirements or documents needed for the shipment to South Africa, please let me know. This information will help me make informed decisions regarding our potential order. Looking forward to your detailed response, thanks!