About Our Factory About Our Factory Shivin-Tex (Thailand) Co., Ltd. Shivin-Tex (Thailand) Co., Ltd. is the oldest & largest manufacturer of Coreless Prewound Bobbin for machine embroidery.Formally established in 2001 under Rapos Group in Thailand, Shivin-Tex (Thailand) Co., Ltd. utilizes the unique production process of Coreless Technology with state-of-the-art machinery to produce & export top