The two Nigerians were identified as Joseph Uyamadu, 43, and Emanuel Umiano, 33. The Peruvian was Ammando William, 47.
The raid and the tented house in the rubber plantation followed a tip off that foreigners used the house to produce drugs.
They were in the house when the combined force encircled and raided the house.
They surrendered when This authorities moved in.
The search in the house produced an amount of cocaine being thrown into the flush tank, a bag containing black and sticky substance similar to raw opium, black sheets of substance, choric acid, electric grinder, a microwave oven, kerosene, and two cars.
The black sheets of substance are suspected to be chemical substance used in producing drugs, a narcotic police officer said but noted they have to be tested in the laboratory to determine again.
All were detained at Ban Khai police station pending investigation into their drug records.