Dalian port has blended over 46 million tonnes of iron ore within its bonded area since 2016 when it first started the operation, the most among Chinese ports.
Group says the company has not formally committed to review the terms of an iron ore mine development that would let it destroy 124 culturally significant sites.
The need for larger rechargeable batteries and more energy storage for 5G technology is expected to significantly boost demand for cobalt over coming years.
Indigenous leaders say they have tried to expel those mining on the land, even as government officials have said there is indigenous interest in mining going ahead.