32 lbs. To be more specific, Fu Haifeng originally used the Kaisheng F9 racket, and now Li Ning's N9. In order to pursue the quality of smashes, Fu Haifeng also has very detailed requirements for the string. Not only did he pull a high weight of 32 pounds, but he also pulled the most After three games, he would cut the string and replace it with a new one. He said, “I think the string will lose a lot of weight after three games, and the elasticity of the string itself will also decrease, so it must be replaced with a new one.

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