德国采购需求：石墨坩埚、带喷嘴石墨坩埚、石墨内衬坩埚、大型石墨坩埚、碳化硅石墨坩埚、硅石墨坩埚

I'm interested in learning more about your range of carbon products. Could you provide information on the types you offer, including specifications, applications, and any certifications? Also, I'd like to know about your pricing, minimum order quantities, and lead times for delivery. If you have a catalog or any promotional materials, please share those as well. Looking forward to your response!