GB/T 33993-2024 PDF English
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GB/T 33993-2024: Two dimensional code for commodity---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT33993-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 35.040
CCS A 24
Replacing GB/T 33993-2017
Two-Dimensional Code for Commodity
Issued on: DECEMBER 31, 2024
Implemented on: JULY 1, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 5
4 Codes and Abbreviated Terms... 6
5 Data Structure of Two-Dimensional Code for Commodity... 6
6 Symbols of Two-Dimensional Code for Commodity... 10
7 Symbol Quality of Two-Dimensional Code for Commodity... 10
Appendix A (Normative) Unit Data String of Two-Dimensional Code for Commodity
... 12
Appendix B (Normative) Encodable Character Set for GS1 Application Identifier Data
Fields... 14
Appendix C (Informative) Example of Two-Dimensional Code for Commodity... 15
Appendix D (Normative) Position of Two-Dimensional Code Symbol for Commodity
... 19
Bibliography... 21
Two-Dimensional Code for Commodity
1 Scope
This Document specifies the data structure, symbol representation and symbol quality
requirements of two-dimensional code for commodity.
This Document applies to the management and application of two-dimensional code for
commodity.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in this Document. For the dated documents, only the versions with the dates
indicated are applicable to this Document; for the undated documents, only the latest version
(including all the amendments) is applicable to this Document.
GB 12904 Bar code for commodity - Retail commodity numbering and bar code marking
GB/T 12905 Bar code terminology
GB/T 14257 Bar code for commodity - Bar code symbol placement guidelines
GB/T 16986 Bar code for commodity - Application identifier
GB/T 18284 QR Code
GB/T 21049 Han Xin code
GB/T 41208 Data matrix code
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in GB/T 12905 and the
following apply.
3.1 Two-dimensional bar code; 2D code
A bar code symbol that represents information in two-dimensional direction.
[SOURCE. GB/T 12905-2019, 2.3]
3.2 Two-dimensional code for commodity
A two-dimensional code that uniquely identifies products and their attributes worldwide.
3.3 Application identifier
Characters that identify the meaning and format of data.
NOTE. Generally composed of 2 to 4 digits.
[SOURCE. GB/T 16986-2018, 3.1]
3.4 Indicator
The first digit of the 14-digit Global Trade Item Code (excluding the digit 0).
NOTE. It is used to distinguish different combination packages of the same trade item or to specify
variable trade items.
[SOURCE. GB/T 36069-2018, 3.1.4, modified]
4 Codes and Abbreviated Terms
The following codes and abbreviated terms apply to this Document.
AI. Application Identifier
GS1.Global Standards One
GTIN. Global Trade Item Number
HRI. Human Readable Interpretation
POS. Point-of-Sale
URI. Uniform Resource Identifier
5 Data Structure of Two-Dimensional Code for Commodity
5.1 Data structure type
The data structure of two-dimensional code for commodity is divided into encoding data
structure and URL data structure.
5.2 Encoding data structure
5.2.1 Composition of encoding data structure
5.2.3 Consumer product variant unit data string
The consumer product variant unit data string shall consist of AI (22) and its corresponding
data field. The consumer product variant data field is an alphanumeric string defined by the
manufacturer, with a variable length and a maximum length of 20 characters.
5.2.4 Batch number unit data string
The batch number unit data string shall consist of AI (10) and its corresponding data field. The
batch number data field is an alphanumeric string defined by the manufacturer, with a variable
length and a maximum length of 20 characters.
5.2.5 Serial number unit data string
The serial number unit data string shall consist of AI (21) and its corresponding data field. The
serial number data field is an alphanumeric character defined by the manufacturer, with a
variable length and a maximum length of 20 characters.
5.2.6 Attribute information unit data string
The attribute information unit data string is in accordance with Table A.1.The unit data string
structure of more attribute information should comply with the provisions of GB/T 16986.
5.2.7 Unit data string sequence
For the encoded data structure, its unit data string sequence in the bar code symbol is GTIN
unit data string, unit data string with predefined length, and unit data string with non-predefined
length. Among them.
a) Unit data string with predefined length refers to a unit data string with a fixed length, such
as the production date unit data string in Table A.1;
b) Unit data string with non-predefined length refers to a unit data string with a variable
length, such as the consumer product variant, batch number, etc. unit data string in Table
A.1.
5.3 URL data structure
5.3.1 Composition of URL data structure
The URL data structure consists of network service address (mandatory), GTIN unit data string
(mandatory), qualifier unit data string (optional) and attribute information unit data string
(optional), as shown in Table 2.According to different network service addresses, the URL data
structure is divided into unified URL data structure and customized URL data structure.
For URL data structures, the unit data string sequence in the bar code symbol is GTIN unit data
string, qualifier unit data string, and attribute information unit data string. And.
a) For the three types of unit data strings of consumer product variant, batch number and
serial number in the qualifier unit data string, if more than two appear at the same time,
they shall be arranged in the above sequence;
b) When there are multiple attribute information unit data strings, there is no fixed sequence.
It should follow the sequence of predefined length unit data string first and non-
predefined length unit data string later; but the same attribute information unit data string
shall not appear repeatedly.
6 Symbols of Two-Dimensional Code for Commodity
6.1 Code system
The two-dimensional code for commodity shall use the two-dimensional code system with
national standards such as Han Xin code, quick response matrix code and data matrix code, etc.;
and shall meet the requirements of GB/T 21049, GB/T 18284 and GB/T 41208, respectively.
Among them, when the encoded data structure is used for two-dimensional code symbol
representation, the GS1 mode of the relevant code system shall be used for encoding. When the
URL data structure uses Han Xin code, the URI mode of Han Xin code should be used.
Application examples are shown in Appendix C.
6.2 Size
The size of the two-dimensional code symbol for commodity shall be determined based on
factors such as the encoding content, error correction level, reading device and system, and
printing space, etc. If necessary, it shall be determined after conducting relevant adaptability
tests. In a retail environment, a module size of 0.495 mm should be used; the minimum module
size should be no less than 0.396 mm; and the maximum module size should be no greater than
0.990 mm.
6.3 Symbol position
The basic requirements and placement rules of the two-dimensional code symbol position for
commodity shall comply with D.1 and D.2 of Appendix D; and the position requirements for
HRI characters shall comply with D.3.
7 Symbol Quality of Two-Dimensional Code for Commodity
7.1 Quality grade
The quality grade of two-dimensional code symbol for commodity should be no lower than
1.5/× ×/660.Where. 1.5 is the symbol grade value; × × is the reference number of the
measurement aperture (different application environments, different measurement aperture
sizes shall be selected; 12 is selected in retail environments); 660 is the measurement light
wavelength, in nm, with an allowable deviation of ±10 nm.
7.2 Quality inspection
The quality of two-dimensional code symbol for commodity should be determined according
to the following contents.
a) Check whether the encoding data structure complies with the provisions of 5.2 and Clause
6;
b) Check whether the URL data structure complies with the provisions of 5.3 and Clause 6;
c) Refer to GB/T 23704, GB/T 35402, and the symbol quality requirements of this
Document to conduct quality inspection on two-dimensional code symbol for commodity.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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