Homeland Security investigators said a months-long investigation found Zhu “George” Chen was bringing in workers from other countries and forcing them to work at his flooring company.

FBI Atlanta and other law enforcement members raided Wellmade Industries, a flooring manufacturing company in Cartersville, on Wednesday afternoon. Officials said this came as part of a multi-year investigation into labor trafficking.

Homeland Security investigators said a months-long investigation found that the flooring plant owner was bringing in workers from other countries and forcing them to work.