(Note) is a dedicated application for members of the large wagon information technology. You can register and use the app user information by clicking Tax Convenience Support Service > Mobile Management in the Big Suretex One member menu . For registration and usage inquiries, please contact us by phone or directly to the member company's technical sales manager . Customer consultation T.1588-5372 Big Wagon Information Technology Co., Ltd. is a business partner of construction machinery and freight transportation companies, and based on IT technology accumulated over a long period of time , creates various services such as credit card, insurance, loan, tax, distribution, and various profit businesses for customers. In order to provide support, we have built a national wide network network and are equipped with a customer-oriented support system specialized for each region. Big Wagon Information Technology Co., Ltd., a software development company specializing in cargo transportation and construction machinery business , has built This is the mobile version of Big Suletex One (www.etaxone.com). For cargo transportation and construction equipment operators, the tax -saving \Large Wagon Freight Welfare Card \'Large Wagon Business Card' equipped with a convenient tax return service is subject to and not subject to VAT refund and global income tax through the VAT refund system. It is automatically classified into necessary expenses and non-targets. The collection, storage, delivery, input , and report of existing paper documents can be collected, stored, delivered, inputted, and reported as one-stop without manual tasks by automatically receiving, processing, reporting and managing the large cart comprehensive management ONE of the operator’s payment company (tax payer) . can be processed. *[Access right] information Access rights require permission when using specific functions, and if you do not agree to collection, you cannot use Big Wagon Mobile Tex One .