diff --git a/chem_spectra/lib/composer/ni.py b/chem_spectra/lib/composer/ni.py
index 6d30bd0..fb52f32 100644
--- a/chem_spectra/lib/composer/ni.py
+++ b/chem_spectra/lib/composer/ni.py
@@ -130,6 +130,16 @@ def __gen_header_cyclic_voltammetry(self):
             '$$ === CHEMSPECTRA CYCLIC VOLTAMMETRY ===\n',
         ]
 
+    def __gen_header_sec(self):
+        core_dic = self.core.dic
+        sec_data_key = ['MN', 'MW', 'MP', 'D']
+        result = []
+        for key in sec_data_key:
+            dic_value = core_dic.get(key, [])
+            key_str = f"##{key}={dic_value[0]}\n" if len(dic_value) > 0 else f'##{key}=\n'
+            result.append(key_str)
+        return result
+
     def __get_xy_of_peak(self, peak):
         if peak is None:
             return '', ''
@@ -201,6 +211,8 @@ def __compose(self):
         meta.extend(self.gen_headers_root())
 
         meta.extend(self.__gen_headers_spectrum_orig())
+        if self.core.is_sec:
+            meta.extend(self.__gen_header_sec())
         meta.extend(self.gen_spectrum_orig())
         meta.extend(self.__gen_headers_im())
         meta.extend(self.__gen_headers_integration())
diff --git a/tests/fixtures/source/sec/SEC-ExFile.zip b/tests/fixtures/source/sec/SEC-ExFile.zip
new file mode 100644
index 0000000..cabf0d4
Binary files /dev/null and b/tests/fixtures/source/sec/SEC-ExFile.zip differ
diff --git a/tests/lib/composer/test_ni_composer.py b/tests/lib/composer/test_ni_composer.py
index 44b9a4a..bf47110 100644
--- a/tests/lib/composer/test_ni_composer.py
+++ b/tests/lib/composer/test_ni_composer.py
@@ -1,13 +1,17 @@
 import json
 import pytest
 import numpy as np
+import tempfile
+import zipfile
 from chem_spectra.lib.converter.jcamp.base import JcampBaseConverter
 from chem_spectra.lib.converter.jcamp.ni import JcampNIConverter
 from chem_spectra.lib.composer.ni import NIComposer
+from chem_spectra.lib.converter.bagit.base import BagItBaseConverter as BagItConveter
 
 source_nmr = './tests/fixtures/source/1H.dx'
 source_nmr_edit = './tests/fixtures/source/1H.edit.jdx'
 source_ir = './tests/fixtures/source/IR.dx'
+source_sec =  './tests/fixtures/source/sec/SEC-ExFile.zip'
 
 @pytest.fixture
 def data_schema():
@@ -29,6 +33,10 @@ def jcamp_file_1h_edit():
 def jcamp_file_ir():
     return source_ir
 
+@pytest.fixture
+def bagit_file_sec():
+    return source_sec
+
 def test_init_ni_composer_failed():
     with pytest.raises(Exception) as error:
         _ = NIComposer(None)
@@ -203,3 +211,19 @@ def test_ni_composer_generate_nmrium(jcamp_file_1h):
         y_value = xy_points['re']
         assert len(x_values) == 65536
         assert len(y_value) == 65536
+
+def test_ni_composer_generate_jcamp(bagit_file_sec):
+    with tempfile.TemporaryDirectory() as td:
+        with zipfile.ZipFile(bagit_file_sec, 'r') as z:
+            z.extractall(td)
+
+        converter = BagItConveter(td)
+        for jcamp_file in converter.data:
+            base_converter = JcampBaseConverter(jcamp_file.name)
+            ni_converter = JcampNIConverter(base=base_converter)
+            ni_composer = NIComposer(core=ni_converter)
+            headers = ni_composer._NIComposer__gen_header_sec()
+            assert headers in [
+                ['##MN=1.287E+3\n', '##MW=1.465E+3\n', '##MP=1.345E+3\n', '##D=1.139E+0\n'],
+                ['##MN=\n', '##MW=\n', '##MP=\n', '##D=\n']
+            ]
\ No newline at end of file