日本采购需求：刚玉耐火砖，耐火砖

I'm reaching out to inquire about pricing and availability for corundum mullite bricks. We're looking for high-quality options for our upcoming projects. Please provide detailed information on your product specifications, including any variations you offer, as well as bulk pricing and lead times. Additionally, if you could share your minimum order quantities and any available certifications or quality standards for these bricks, that would be very helpful. We're particularly interested in understanding your production capacity, as well as any potential for customization based on our needs. Looking forward to your prompt response!