C408 Refining the Purple Gas

Wang Cheng said it casually, but Tang Ming and the others found it unbelievable.

"Mr. Wang, can you really cure my father's leg disease?" Tang Ming widened his eyes and looked at Wang Cheng in disbelief.

"Senior, this old man's leg has been broken for more than a decade. Can I really stand up?" Tang Tianhao's face was also filled with excitement, and his eyes were filled with the flames of hope