Royal Alloy 

85/8 Moo 7, Mae Rim Tai Subdistrict, Mae Rim District, Chiang Mai Province

913/1 Phahonyothin Road, Wiang Subdistrict, Mueang Chiang Rai District, Chiang Rai Province

Nakhon Chum, Mueang Kamphaeng Phet District, Kamphaeng Phet 62000

935/3 Tambon Wiang, Amphoe Mueang Phayao, Phayao Province 56000

Hang Dong, Hang Dong District, Chiang Mai 50230

Phahon Yothin Road, Tambon Rob Wiang, Amphoe Mueang Chiang Rai, Chiang Rai 57000

Soi Mu Ban Phakamat, Mueang Nakhon Sawan District, Nakhon Sawan 60000

1021 Yuan Subdistrict, Chiang Kham District, Phayao Province 56110

295/2 Somphot Chiang Mai 700 Pi Road, San Phranet Subdistrict
San Sai District, Chiang Mai 50210

11/3, Village No. 9, Nakhon Chum Subdistrict, Mueang Kamphaeng Phet District, Kamphaeng Phet Province

130 Village No. 5, Soi Phakamas Village, Muang District, Mueang Nakhon Sawan District, Nakhon Sawan 60000

Yuan, Chiang Kham District, Phayao 56110