WorkVenture gives you an inside look at what it's like to work at Seishin (Thailand) Co., Ltd., office & team photos, reviews and more. This is the Seishin (Thailand) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Seishin (Thailand) Co., Ltd..Apply to FedExApply to StylehuntApply to Ultimate InternationalApply to WorkVenture Technologies