spent catalyst containing molybdenum and/or molybdenum

We buy spent catalyst containing Mo, W, V, Co, etc outside China mainland for our domestic plant production. We want a large quantity with a monthly/yearly supply. No regional restriction. Long term cooperation with steady supply preferred. Please enclose the following information in your mail or FAX 1. Product specifications 2. Supply ability and minimum order quantity 3. Sample availability/cost 4. Your company's detailed information and your personal contact information