GHS RFID Chemical Encoding Software | Hazardous Labeling

using System;
using System.IO;
using System.Net.Sockets;
using System.Text;

namespace RfidSoftwares.Chemical.Printer
{
    public class GhsChemicalThermalPrinter
    {
        // Stream ZPL II commands with RFID EPC chip encoding + GHS diamond symbols
        public void PrintChemicalDrumLabel(string printerIp, int port, string epcHex, string chemicalName, string casNumber)
        {
            string zpl = $@"^XA
^RS8,384,1^RFW,H,1,2,6^FD{epcHex}^FS
^FO50,50^A0N,45,45^FD{chemicalName}^FS
^FO50,110^A0N,30,30^FDCAS No: {casNumber}^FS
^FO50,160^BQN,2,4^FDMA,CAS:{casNumber}|EPC:{epcHex}^FS
^XZ";

            using var client = new TcpClient(printerIp, port);
            using var stream = client.GetStream();
            byte[] bytes = Encoding.UTF8.GetBytes(zpl);
            stream.Write(bytes, 0, bytes.Length);
        }
    }
}