非洲地区采购需求：办公椅，办公桌，办公沙发，文件柜，学校家具，培训家具

I'm interested in sourcing high back swivel chairs that feature leather upholstery for our upcoming project. We're looking for a durable and stylish design that provides excellent comfort and support, particularly for extended use. Please provide details on your available models that fit this description, including specifications, materials, and any customization options you might offer. Additionally, I'd appreciate it if you could share information regarding your pricing, minimum order quantities, and lead times for production and shipping. Understanding your payment terms would also be helpful. We are looking to establish a long-term partnership, so I'd like to know about your production capacity and quality assurance processes as well. Looking forward to your prompt response with the relevant details.