BIS ISI CertificationBIS Draft QCO 2025 for Chains and Sprockets
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BIS ISI Certification
Issue Date: 24-04-2025
Source : Bureau of Indian Standards (ISI)
Introduction to the BIS Draft QCO 2025 for Chains and Sprockets
The Ministry of Commerce and Industry, Government of India, through the Department for Promotion of Industry and Internal Trade (DPIIT), has issued a Draft Quality Control Order (QCO), 2025 for Chains and Sprockets in the public interest.
This draft order is issued under the provisions of the Bureau of Indian Standards Act, 2016, after consultation with the Bureau of Indian Standards (BIS).
The Order is titled Chains and Sprockets (Quality Control) Order, 2025 and aims to ensure quality, safety, and standardisation of chains and sprockets used across different industries in India.
Key Changes of the QCO You Should Know
Under this Draft QCO:
- The specified chains and sprockets must conform to the applicable Indian Standards (IS)
- The products must bear the BIS Standard Mark (ISI Mark)
- BIS certification must be obtained under Scheme-I of Schedule-II of the BIS (Conformity Assessment) Regulations, 2018
- BIS will act as the certifying and enforcing authority
- Any violation of this Order will attract penalties under the BIS Act, 2016
Products Covered under this QCO
The following goods and articles are covered under the Draft QCO, along with their applicable Indian Standards:
| Product | Indian Standard (IS) |
| Steel roller chain types S and C, attachments, and sprockets | IS 2637: 2004 ISO 487: 1998 |
| Motorcycle chains | IS 11740: 2014 ISO 10190: 2008 |
| Cranked -Link drag chains of Welded Construction attachments and sprockets | IS 13926: 2005 ISO 6971: 2002 |
| Cranked - Link mill chains of Welded Construction Attachments and sprockets | IS 13927: 2005 ISO 6972: 2002 |
| Transmission steel Roller chains and Chain wheels for oilfield applications | IS 14696:2000 |
| Double-Pitch Precision Roller Chains –Attachments and Associated Chain Sprockets for Transmission and Conveyors | IS 15509: 2017 ISO: 1275: 2006 |
| Heavy-Duty cranked-link transmission chains | IS 15510:2004 ISO 3512:1992 |
Note: The latest version of Indian Standards, including amendments notified by BIS from time to time, will apply.
Exemptions to this QCO
This Draft QCO does not apply to goods or articles manufactured in India exclusively for export.
What is the Date of Implementation?
The implementation timeline depends on the type of enterprise:
- General enterprises (other than micro and small):
6 months from the date of publication in the Official Gazette - Small enterprises:
9 months from the date of publication - Micro enterprises:
12 months from the date of publication
Now, What to Do?
Manufacturers and importers of chains and sprockets should:
- Check whether their products fall under the scope of this Draft QCO
- Identify the applicable Indian Standards for each product
- Plan for BIS certification under Scheme-I
- Upgrade testing and quality control systems as per BIS requirements
- Track the final notification and compliance deadlines carefully
Early preparation will help avoid penalties, delays, or removal of products from the Indian market.
Brand Liaison assists manufacturers and importers in complying with BIS Draft QCOs for chains and sprockets. Services include standard applicability analysis, BIS certification support, coordination with laboratories, documentation handling, and regulatory liaison. With strong experience in BIS Quality Control Orders, Brand Liaison helps businesses achieve timely compliance and ensure uninterrupted market access in India.
Feel free to connect with us to know more. We will be happy to assist you further.








