中国香港采购需求：粉末加工、钣金、金属零件、钣金加工、金属加工、硅锰合金

I would like to inquire about the availability and pricing of cerium oxide polishing powder. Specifically, I am interested in ordering a quantity of 20.00 kg. Additionally, please provide details regarding the product specifications, including any relevant packaging options, lead times, and minimum order quantities. I'm eager to explore potential collaboration and look forward to your prompt response.