China's Producer Price Index (PPI), a major measure of inflation at the wholesale level, rose 7.5 percent year-on-year in July, the National Bureau of Statistics (NBS) said Tuesday.

July's PPI growth was even greater than June's 7.1 percent increase, the NBS said in a statement on its website.

Producer purchase prices rose by 11 percent year-on-year in July, but rose by just 0.1 percent on month-on-month basis, according to the NBS.

Prices of production materials in July rose 8.4 percent year-on-year, but remained flat on a month-on-month basis.