1, Changjiang Nonferrous app: Changjiang Nonferrous app is a metal price inquiry software developed by Beijing Unlimited United Technology Co., Ltd., which has very comprehensive market price information, updates daily market prices in real time, and is convenient for users to inquire about historical prices.

2. Master Boyi: Master Boyi is a software for reading futures, providing futures market data and market analysis, and users can check the price trend of copper futures online.

3. Mandarin Finance: Mandarin Finance is an application that provides global financial market quotes and data. Users can query the price trend of copper futures online.

4. Straight flush: Straight flush is a financial app that provides futures market data and market analysis. Users can query the price trend of copper futures online.