WorkVenture gives you an inside look at what it's like to work at Ruam Jai Sa-ngad Ruam Chang (2011) Co., Ltd., office & team photos, reviews and more. This is the Ruam Jai Sa-ngad Ruam Chang (2011) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Ruam Jai Sa-ngad Ruam Chang (2011) Co., Ltd..Apply to D'Well Grand AssetApply to HoyaApply to TRACE ONApply to Microchip Technology