Python Pandasで編集したexcelデータをexportしたい

Pandasで編集したexcelデータを同じフォルダ内にexportしたいのですがerrorが発生し、理解ができなくて困っています。

ファイルの場所

import_file_path = '/Users/hirakishunsuke/Desktop/MyPandas/sample.xlsx' 
excel_sheet_name = '発注管理表'
export_file_path = '/Users/hirakishunsuke/Desktop/MyPandas/output'

実行したコード

for i in company_name:
    df_order_company = df_order[df_order['会社名'] == i]
    df_order_company.to_excel(export_file_path+'/'+i+'.xlsx')

エラー内容

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
~/opt/anaconda3/lib/python3.7/site-packages/xlsxwriter/workbook.py in close(self)
    315             try:
--> 316                 self._store_workbook()
    317             except IOError as e:

~/opt/anaconda3/lib/python3.7/site-packages/xlsxwriter/workbook.py in _store_workbook(self)
    631         except IOError as e:
--> 632             raise e
    633 

~/opt/anaconda3/lib/python3.7/site-packages/xlsxwriter/workbook.py in _store_workbook(self)
    629             xlsx_file = ZipFile(self.filename, "w", compression=ZIP_DEFLATED,
--> 630                                 allowZip64=self.allow_zip64)
    631         except IOError as e:

~/opt/anaconda3/lib/python3.7/zipfile.py in __init__(self, file, mode, compression, allowZip64, compresslevel)
   1239                 try:
-> 1240                     self.fp = io.open(file, filemode)
   1241                 except OSError:

FileNotFoundError: [Errno 2] No such file or directory: '/Users/hirakishunsuke/Desktop/MyPandas/output/株式会社A.xlsx'

During handling of the above exception, another exception occurred:

FileCreateError                           Traceback (most recent call last)
<ipython-input-14-f02548b0d5b0> in <module>
      1 for i in company_name:
      2     df_order_company = df_order[df_order['会社名'] == i]
----> 3     df_order_company.to_excel(export_file_path+'/'+i+'.xlsx')

~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/generic.py in to_excel(self, excel_writer, sheet_name, na_rep, float_format, columns, header, index, index_label, startrow, startcol, engine, merge_cells, encoding, inf_rep, verbose, freeze_panes)
   2179             startcol=startcol,
   2180             freeze_panes=freeze_panes,
-> 2181             engine=engine,
   2182         )
   2183 

~/opt/anaconda3/lib/python3.7/site-packages/pandas/io/formats/excel.py in write(self, writer, sheet_name, startrow, startcol, freeze_panes, engine)
    736         )
    737         if need_save:
--> 738             writer.save()

~/opt/anaconda3/lib/python3.7/site-packages/pandas/io/excel/_xlsxwriter.py in save(self)
    193         """
    194 
--> 195         return self.book.close()
    196 
    197     def write_cells(

~/opt/anaconda3/lib/python3.7/site-packages/xlsxwriter/workbook.py in close(self)
    316                 self._store_workbook()
    317             except IOError as e:
--> 318                 raise FileCreateError(e)
    319             except LargeZipFile as e:
    320                 raise FileSizeError("Filesize would require ZIP64 extensions. "

FileCreateError: [Errno 2] No such file or directory: '/Users/hirakishunsuke/Desktop/MyPandas/output/株式会社A.xlsx'