WWW.TONGKHOMAVACH.COM is a website specializing in barcode devices and barcode management software solutions. Here, we provide a full range of hardware and software for sales management, meeting all the needs of businesses as well as individual business households in various fields, from management to extracting and operating the system using barcode technology.WWW.TONGKHOMAVACH.COM is a website specializing in barcode devices and barcode management software solutions. Here, we provide a full range of hardware and software for sales management, meeting all the needs of businesses as well as individual business households in various fields, from management to extracting and operating the system using barcode technology.