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TAKE A LOOK-Asia Copper Week conference in Shanghai

SHANGHAI, Nov 22 (Reuters) - Miners, traders, warehouse operators, analysts and executives from the world's biggest copper companies have converged this week in Shanghai for the Asia Copper Week, one of the biggest industry gatherings in the region. The annual event is organised by Fastmarkets and attended by an estimated 2,000 people involved in the copper industry and its supply chain. Below is a summary of the main stories produced by Reuters reporters attending the event:

> Preview: Unlocking trends ahead of Asia Copper Week

> Freeport sees sharp drop in copper treatment charges next year

> China's Jiangxi Copper needs treatment charge of $75/T exec

> China's Daye Nonferrous starts work on new 400,000 T smelter -president

> Chinese smelters need treatment charges higher than current spot rate

> LME plans to launch several contracts in 2020 -CEO

> China metals group in talks with Shanghai exchange on scrap futures

> LME may create green aluminium mark for inventories

> Freeport sets lower 2020 treatment charges with Chinese copper smelters

> KGHM says Chile protests, potential tax changes could impact business

> China to speed launch of rare earth futures contracts

(Reporting By Shivani Singh, Tom Daly & Emily Chow; Editing by Saumyadeb Chakrabarty)