南非采购需求：物流服务、物流代理、航运物流、物流追踪、DDP空运、货运代理

I'm looking for high-quality T-shirt sacks sourced from China. Specifically, I'm interested in understanding various options available, including materials, size variations, and any design features that could enhance their appeal. Additionally, it would be great to know about MOQs, lead times for production, and shipping options. Pricing info for bulk orders is also essential. Please send details on any available samples or past work to help me evaluate your offerings effectively. Thank you!