Manganese ore 42% min needed, SGS, CIF/CFR China

We are an international trading company located in Uruguay.

Are willing to cooperate with a serious supplier of Mn Ore 42 pct min for long term contracts destination port of North China for our customers. ( Fortune 500 group )
Payment by Non transferible L C at sight opend by US bank.
Payment 90 pct against shipping docs, 10 pct at boat arrival after China customs inspection.
SGS certififcate of quality and weight necessary as one of L C documents.
2 pct Performance bond required to supplier.
Please contact me if you can supply and specify the following:

- is it a lot or a longterm offer with monthly shipments?

- full chemical, granulometry and humidity if possible issued by SGS or similar.

- country of origin.

Our purchaser is a US compan listed in NYSE.

Payment terms is CFR Port of China

They pay with LC direct to the exporter.

Onnly way of discussing payment of origin Zambia is to pay 100 after CIQ inspection at arrival to China

In case interested, please let me know