印度采购需求：粉末加工、钣金、金属零件、钣金加工、金属加工、硅锰合金

I'm interested in sourcing high-purity indium ingots for our production needs. Specifically, I'm looking for materials that meet the 4N5 grade specifications. Could you provide details on availability, pricing, and lead times for this product? Additionally, if you have any relevant certifications or quality assurance processes in place, I'd appreciate that info as well. Looking forward to your prompt response so we can discuss this further.