印度采购需求：钛粉、碳化钨粉、铋锭、钨钴粉、铋粉、二硫化钼

I'm interested in sourcing tungsten powder for our upcoming projects. Specifically, we're looking for a high-quality product that meets our performance specifications and is suitable for various applications. Please provide details about your available grades, particle sizes, and any special features that might set your product apart. Additionally, I would like to understand your pricing structure, including bulk order discounts and lead times for delivery. It would be helpful if you could share any certifications or quality assurance measures your products adhere to, as this is crucial for our decision-making process. Looking forward to your prompt response with the relevant information.