    <SEC-DOCUMENT>0001104659-21-013022-index.html : 20210205
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    <ACCEPTANCE-DATETIME>20210205163850
    ACCESSION NUMBER:		0001104659-21-013022
    CONFORMED SUBMISSION TYPE:	424B4
    PUBLIC DOCUMENT COUNT:		13
    FILED AS OF DATE:		20210205
    DATE AS OF CHANGE:		20210205

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CN ENERGY GROUP. INC.
    		CENTRAL INDEX KEY:			0001780785
    		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			D8
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		424B4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-239659
    		FILM NUMBER:		21596466

    	BUSINESS ADDRESS:
    		STREET 1:		DIKAI YINZUO, ROOM 1804-1
    		STREET 2:		NO. 29 JIEFANG EAST ROAD
    		CITY:			HANGZHOU CITY
    		STATE:			F4
    		ZIP:			310016
    		BUSINESS PHONE:		(86) 571-87555809

    	MAIL ADDRESS:
    		STREET 1:		DIKAI YINZUO, ROOM 1804-1
    		STREET 2:		NO. 29 JIEFANG EAST ROAD
    		CITY:			HANGZHOU CITY
    		STATE:			F4
    		ZIP:			310016

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CN ENERGY GROUP, INC.
    		DATE OF NAME CHANGE:	20190625
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B4
    <SEQUENCE>1
    <FILENAME>tm215516d1_424b4.htm
    <DESCRIPTION>424B4
    <TEXT>
    Document 1 - file: tm215516d1_424b4.htm

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    <SEQUENCE>2
    <FILENAME>image_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image_003.jpg

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    <SEQUENCE>3
    <FILENAME>image_015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: image_015.jpg

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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm215516d1_424b4img01.jpg

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    <FILENAME>tm215516d1_424b4img02.jpg
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    <TEXT>
    Document 5 - file: tm215516d1_424b4img02.jpg

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    <SEQUENCE>6
    <FILENAME>tm215516d1_424b4img03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm215516d1_424b4img03.jpg

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    <SEQUENCE>7
    <FILENAME>tm215516d1_f1aimg01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm215516d1_f1aimg01.jpg

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    <SEQUENCE>8
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    <TEXT>
    Document 8 - file: tm215516d1_f1aimg07.jpg

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    <DOCUMENT>
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    <SEQUENCE>9
    <FILENAME>tm215516d1_f1aimg08.jpg
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    <TEXT>
    Document 9 - file: tm215516d1_f1aimg08.jpg

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    <SEQUENCE>10
    <FILENAME>tm215516d1_f1aimg09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm215516d1_f1aimg09.jpg

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    <DOCUMENT>
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    <SEQUENCE>11
    <FILENAME>tm215516d1_f1aimg10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: tm215516d1_f1aimg10.jpg

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    <DOCUMENT>
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    <SEQUENCE>12
    <FILENAME>tm215516d1_f1aimg11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: tm215516d1_f1aimg11.jpg

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    <DOCUMENT>
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    <SEQUENCE>13
    <FILENAME>tm215516d1_f1asp10img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: tm215516d1_f1asp10img01.jpg

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