"We aren't buyers. We simply want to help," she said. "Those babies like any others were assigned to foreign parents who could have known nothing about how they came to the orphanage. What is illegal is how the kids get into the adoption system."

She called on foreign governments that authorize adoptions to work with Chinese authorities to stop the crimes against families.

Shannon Haus, of Des Moines, Iowa, adopted two children from Guangdong and Hunan provinces in 2001 and 2008 respectively.

Haus told the Global Times that those snatched children's adoptive parents are also victims.

"The thing is that we would never know what happened before these children become orphans," he said, adding that he has been helping his older daughter locate her birth parents through a DNA test.

US families adopted 11,058 foreign children in 2010, of whom 3,401 came from China, according to statistics released by the Bureau of Consular Affairs of the US Department of State.