哈萨克斯坦采购需求：铝酸钙水泥、四氯乙烯、苯胺、磷酸二氢钾、磷酸氢二钾、反式白藜芦醇

I'm looking for a reliable supplier for carbon brushes. We need high-quality products that can meet our performance specifications and durability requirements. Please provide information on your available options, including material details and any relevant certifications. Additionally, I'd appreciate it if you could share your pricing structure and lead times for bulk orders. Understanding your production capacity and any minimum order quantities would also be helpful for us to plan our procurement strategy effectively. Looking forward to your prompt response!