印度采购需求：丝杠和步进电机，自研控制器带平台，标准步进电机平台，线性平台

I'm interested in your electric lifting machines specifically designed for high-lift applications. Can you please provide comprehensive details on the specifications for these models? I'm particularly keen on understanding their lifting capacities, power ratings, and any unique features that distinguish them from other options. Additionally, I'd like to know the pricing structure, any bulk purchasing discounts, and current availability. If there are optional accessories or enhancements that can be included with the machines, please share that info as well. Looking forward to your prompt response so we can explore potential collaboration!