不丹采购需求：电动轮椅、手动轮椅、主动式轮椅、运动轮椅、儿童轮椅、躺椅式轮椅

I'm reaching out to inquire about various mobility aids, specifically wheelchairs, walkers, and crutches. We're interested in understanding your product offerings in these categories, including the materials used, weight capacity, and available designs. Additionally, it would be great to know any customization options you might offer, as we're looking for products that can cater to different user needs. Furthermore, could you provide information on your pricing structure, lead times for delivery, and any bulk order discounts that might be available? We're looking to establish a reliable partnership for ongoing procurement, so details about warranty and after-sales support would also be appreciated. Please let me know if you can send catalogs or product samples. Looking forward to your prompt response!