We are a mineral trading company based in China, also have office in London, UK.We are looking to buy gold ore/gold concentrate, in powder form, with the highest content possible.We hope to develop long term partnership with potential suppliers, and we already signed a long term supply contract with one of the largeest smelters in China. The production quantity is 60, 000 MT --120, 000 MT per year.The quality requirements are as below:Contains at least 50 grams gold per ton;Contains AS (arsenic) or no AS, both are OK, ideally no AS.Contains Sulphur, the higher the better.Contains Pb (lead) less than 0.2% per tonContains Sb (antimony) less than 0.1% per tonContains Zn (zinc) less than 0.3% per tonContains Te (tellurium) less than 0.1% per tonContains C (carbon) less than 0.5% per tonIf you have the resource, please feel free to contact me at: 00447921773618 or email: *****Looking forward to hearing from youAnna