up!Old Pei nodded, took out a magnifying glass and a very delicate little hammer, then walked to the randomly selected ore!There are so many rough stones, it's unrealistic to check each one individual...i hurriedly greeted him: "Mr. Chen, are you alright""It's fine, what's wrong"Chen Ping looked at Wu Xi with a puzzled expression and asked."That's good!" Wu Xi let out a long sigh of relief. "I'm afra...