南非采购需求：水溶性硫肥，最佳硫肥，顶级水溶性肥料，植物用硫肥，作物用水溶性硫肥，最高品质硫肥

I am looking to purchase a 20-litre container of stropper chemical. Could you please provide me with your pricing details, including any bulk discounts available? Additionally, I'd appreciate information on the lead time for delivery and the shipping costs to my location. If you have any specifications or safety data sheets available for this product, please share those as well. Understanding the key features and handling requirements will help me make a more informed decision. Thanks for your assistance!