Chen Pingping's highest official rank was ninth rank. Chen Pingping was the first director of the Qing National Investigation Council. He was played by the actor Wu Gang in the TV series Joy of Life. Chen Pingping was described as a hidden expert. In battle, he displayed extraordinary fighting power and intelligence. He was known as a Great Grandmaster on the intellectual level and a hidden martial arts expert. Although the specific level of martial arts was not explicitly mentioned, based on his performance in the play and his position, it could be inferred that his strength level might reach the level of Ninth Pin. Thus, Chen Pingping's highest official rank was ninth rank.

Chen Pingping's highest official rank was ninth rank.
Chen Pingping's highest official rank was ninth rank.
Chen Pingping's highest official rank was ninth rank.
Chen Pingping's highest official rank was ninth rank.
Chen Pingping's highest official rank was ninth rank.
Chen Pingping's power level was described as above the ninth level, but there was no mention of what his highest official position was. Thus, I don't know what Chen Pingping's highest position is.
Chen Pingping's highest official rank was ninth rank.
In Joy of Life, Chen Pingping's martial arts level was not clearly divided into specific grades. However, according to the relevant information, it could be speculated that Chen Pingping's martial strength might have reached the level of an expert above the Ninth Stage. He was the director of the Qing Kingdom Inspection Court and had outstanding fighting ability and assassination skills. Chen Pingping displayed extraordinary combat strength in the show. He had carried out countless S-level missions and often rescued the Qing Emperor from danger. Although his legs were crippled during the mission and his strength declined, he was still one of the Level Nine experts when his legs were intact. Thus, it could be assumed that Chen Pingping's martial arts might have reached the ninth level.
Chen Pingping's strength level was above the ninth level. He was described as a hidden expert with great strength and combat ability. Chen Pingping was considered a Great Grandmaster in terms of intelligence and could easily control everyone. Although the specific level of martial arts was not clearly divided into specific grades, according to the relevant information, Chen Pingping's martial arts level could reach the level of an expert above the ninth level. Thus, according to the information provided, Chen Pingping's strength level should be above the ninth level.
Chen Pingping was described as a hidden ace. He was once a eunuch in the Qing Royal Palace and later became the Director of the Overwatch Council. He had carried out countless S-rank missions and often rescued the Qing Emperor. Although his legs were crippled during the mission and his strength had declined, he might have reached the combat strength of a rank-nine or above when his legs were intact. According to the relevant information, Chen Pingping's martial strength might have reached the level of a ninth-level expert. Thus, it could be said that Chen Pingping was a ninth-level expert.