NEWS

update:2026-01-29NO.: DOC260102-01

Heshan LEO Metrology & Testing Services Co., Ltd. Successfully Passed CNAS Surveillance and Extension Assessment

1. Recognition Renewed · Capability Upgraded

In December 6–7, 2025, an expert panel assigned by the China National Accreditation Service for Conformity Assessment (CNAS) conducted the reassessment and extension review for Heshan LEO Metrology & Testing Services (LEO MTS).

Date on 26 January 2026, LEO MTS officially passed the reassessment with multiple newly accredited testing standards, strengthening our technical competence across toys, children’s products, electronics, packaging materials, fine bookbinding products, and more.

2. Highlights of the Extension · Comprehensive Capability Enhancement

This extension assessment covers multiple testing domains, including:
• Toys and Infant/Children’s Products (mechanical & physical tests, flammability, chemical migration, etc.)
• Electronics & Material Products
• Paper, Paperboard & Corrugated Boxes
• Book & Printing Quality Testing
• Packaging Material Safety Tests

3. Key CNAS Accredited Standards (Examples)

No.	Standard	Standard Name
1	GB 6675.2-2025	Toy Safety – Part 2: Mechanical and Physical Properties
2	GB 6675.3-2025	Toy Safety – Part 3: Flammability
3	GB 6675.4-2025	Toy Safety – Part 4: Migration of certain elements
4	AS/NZS ISO 8124.1:2023	Safety of Toys – Part 1
5	ASTM F963-23	Standard Consumer Safety Specification for Toy Safety
6	EN 71-3:2019+A2:2024	Migration of Certain Elements
7	ANSI/TAPPI T 811om-2023	Edgewise compressive strength of corrugated fiberboard (short column test)
8	ISTA 1A,1B,1C,1D,2A,2B	Non-Simulation Integrity Performance Test Procedure - Extended Testing for Packaged-Products & Partial Simulation Performance Test Procedure - Packaged-Products
9	Printed product book	1.Quality requirement and inspection method of lithographic prints CY/T 5 2.General requirement of hard-cover binding GB/T 30325-2013 3.The offset lithographic prints for decorating GB/T 7705 4.General requirements of soft-cover binding GB/T 30326 5.Specifications of quality inspection for printed paper products- Part 3: Books and periodicals GB/T 34053.3 6.General requirements and test methods of paper and printings qualities for primary and secondary school textbooks GB/T 18359-2009 7.The instruction and testing methods of EVA hot-melt adhesives for bookbinding CY/T 40

For more information about our recognition capabilities, please check the official website of CNAS（Click）

4. Accredited Excellence · Quality Strengthened

The successful CNAS accreditation reaffirms the strong technical capability, management quality, and continual improvement commitment of LEO MTS.

Moving forward, Leo MTS will continue to be guided by customer needs and take international standards as the criterion to provide the industry with more professional, more efficient and more comprehensive globally recognized inspection and testing services.

5. Company Introduction

LEO MTS is a comprehensive third-party testing laboratory & Inspection body offering services including:
• Testing for toys & children’s products
• Paper, board & packaging testing
• Electronics and material analysis
• Printing & book quality inspection
• Chemical & hazardous substance testing (RoHS, phthalates, heavy metals, etc.)

With advanced laboratory facilities and a professional team, LEO MTS is committed to providing fast, reliable, and high-quality testing and inspection solutions.

6. Contact Information

Co.	Heshan Leo Metrology and Testing Services Co. Ltd.
Add.	Block 51, No.1 Xuantan Temple Industrial Zone, Gulao Town, Heshan, Guangdong, China
Post	529738
tel.	86 750 8862565
fax	86 750 8768244
e-mail	MTS@leo-mts.com
website	http://www.leo-mts.com

dept.

dept.	tel.	fax
Customer Service	86 750-8862565 / 18923062565	86 750-8768224
Testing	86 750-8862570	86 750-8768224
Calibration	86 750-8862894	86 750-8768224
Sample pick up	86 750-8862659	86 750-8768224

Solution

My Profession Your Excellence!
• Heshan Leo Metrology and Testing Services Co. Ltd.(LEO-MTS) can help to improve products quality for you, your supplier and your client.

To more information, please contact

Heshan Leo Metrology and Testing Services Co. Ltd.

Tel： 0750-8862565

Fax： 0750-8768244

Email： MTS@Leo-MTS.com

Website： http://www.leo-mts.com http://www.leo-mts.cn

Disclaimer:Leo-MTS has tried all reasonable efforts to ensure the accuracy of information, however the information provided should not be relied upon as legal advice or regarded as a substitute for legal advice; The reader should exercise his own care and judgment before replying on this information in any important matter.