I'm not sure what you mean by 徐州伦敦金、Could you please provide more context or clarify your question?

Are you referring to:

1、London gold (伦敦金) in Xuzhou (徐州)? London gold refers to gold traded on the London Bullion Market, and Xuzhou is a city in Jiangsu Province, China.
2、A goldrelated business or market in Xuzhou?
3、Something else entirely?

Please let me know, and I'll do my best to help!