印度采购需求：电火花加工丝、钻夹头、伽玛丝、电极管、铜钨丝、电火花加工黄铜丝

I'm reaching out to request a sample order of material with a thickness of 0.25mm. Specifically, I'm interested in acquiring 20kg for testing purposes. It's essential that the sample meets our quality standards, as we aim to evaluate its suitability for our upcoming projects. Additionally, could you please provide details regarding the production lead time and any minimum order quantities? We're keen on establishing a working relationship, so insights into your pricing structure and shipping options would also be appreciated. Looking forward to your prompt response!