Over 3,900 substandard milk collection stations have been shut down in China following a contamination scandal last year that left at least six children dead, state media said.
Song Kungang, head of the China Dairy Industry Association, said authorities had inspected all the nation's 20,393 milk stations between November 2008 and April this year, the official Xinhua news agency said.
A total of 3,908 stations, which collect fresh milk from local farmers and sell it to dairy companies, had been shut down due to lack of proper equipment or hygiene, Xinhua reported.
The move followed a scandal that came to light in September last year when milk was found laced with the industrial chemical melamine, killing at least six children and leaving almost 300,000 others with kidney and urinary trouble.
The incident led to Chinese dairy product recalls and bans around the world, and the former boss of Sanlu, the firm at the heart of the scandal, was jailed for life.
The collection stations came under close scrutiny as it emerged that middle-men had been adding melamine to diluted milk to make it appear higher in protein content.