WELKIN COMPUTER TRAINING (WELKIN) provides solid and high-quality professional training, and is fully supported by Tianxing System Co., Ltd. Established in 1990, Tianhang System Co., Ltd. specializes in IT training services and system technology solutions. Clients include government departments, large and small enterprises, IT practitioners and office staff. Tianhang has always been committed to providing the best service and aiming to gain the appreciation and trust of its customers.