Is it true that Tianjin Dexin precious metals make money?

Regular companies won't promise you 100% to make money, but they can only guarantee fair trading, just like stocks, but black companies and platforms are different, and they must lose 100%. At present, only tianjin precious metal exchange (commonly known as Jingui Institute) is approved by the government, and Hangzhou 3.0 Barter Exchange (Hangzhou Exchange) is also the most qualified. You can go to Jingui Institute in official website to see if there are any member units of Tianjin Dexin Precious Metals Exchange, and if there are, they will be formal.