---
title: "Key facts: Rio Tinto to cut costs by $1B; partners to restart Arizona mine"
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/268334906.md"
description: "Rio Tinto's CEO will announce plans to simplify operations, cut costs, and boost cash flow by $500 million to $1 billion annually, targeting reduced expenses and capital spending.1Rio Tinto's Nuton is partnering with Gunnison Copper to restart the Johnson Camp mine in Arizona, using microbial tech for copper extraction from low-grade ores, with production expected soon.2"
datetime: "2025-12-03T01:03:15.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/268334906.md)
  - [en](https://longbridge.com/en/news/268334906.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/268334906.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/268334906.md) | [繁體中文](https://longbridge.com/zh-HK/news/268334906.md)


# Key facts: Rio Tinto to cut costs by $1B; partners to restart Arizona mine

-   Rio Tinto's CEO will announce plans to simplify operations, cut costs, and boost cash flow by $500 million to $1 billion annually, targeting reduced expenses and capital spending.1
-   Rio Tinto's Nuton is partnering with Gunnison Copper to restart the Johnson Camp mine in Arizona, using microbial tech for copper extraction from low-grade ores, with production expected soon.2

### 相关股票

- [Rio Tinto (RIO.US)](https://longbridge.com/zh-CN/quote/RIO.US.md)
- [Rio Tinto plc (RIO.UK)](https://longbridge.com/zh-CN/quote/RIO.UK.md)

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