Kamfanin Royal Foods VietNam Co., Ltd. yana ɗaya daga cikin manyan kamfanonin sarrafa sardine na gwangwani, Mackerel a ƙasashen kudu maso gabashin Asiya, a ƙarƙashin sunan "Three Lady Cooks Brand" wanda aka amince da shi a duk duniya kuma aka amince da shi.
A shekara ta 2005, DTS ta taimaka wa RFV wajen gina layukan Crateless Retorts guda biyu masu tsaye don samar da gwangwani 202, saurin layi gwangwani 600 a minti daya.
A shekarar 2019, RFV ta faɗaɗa samar da su, da kuma mackerel na gwangwani na OEM ga abokan cinikin Japan, don haka RFV ta gabatar da tsarin DTS na kwance tare da sauke kaya, da kuma tsarin jigilar kwando.
