南非采购需求：氧气浓缩器、氧气设备、氧气发生器、5升/分钟流量、氧疗、呼吸系统

I'm reaching out because I'm really interested in your product offerings! I'd appreciate it if you could share more details about the range of items available, including specifications, pricing, and minimum order quantities. Additionally, I'd love to know about your lead times for production and shipping, as well as any customization options you might offer. Looking forward to your response so we can discuss potential collaboration!