印度采购需求：便携式激光打标机，光纤激光打标机，激光雕刻机，珠宝激光雕刻机，光纤激光机，二氧化碳激光打标机

I'm looking for a cutting machine specifically designed for gold and silver. It should be efficient and provide high precision for various applications. Please provide details on available models that meet these criteria, including specifications and pricing. Additionally, I'd appreciate information on any warranties or support services you offer post-purchase. If there are options for customization or upgrades, please include those as well. Looking forward to your prompt response!