Quality and Certifications

Quality and certifications

Every certificate below carries its number, issuing body and expiry date, and can be verified directly with the issuer. Nothing here is decorative.

CE certification

Issued by UDEM (Ankara, Türkiye) under Machinery Directive 2006/42/EC, Annex VIII. Registered 20 Nov 2025, valid until 19 Nov 2030.

Product line Model range Certificate number Test report
Cut-to-length line SRHJ200-1000 M.2025.206.C130046 CTG25112259C / SR545AQ
Slitting line SRZJ-1250 M.2025.206.C130045 CTG25112259C / SR546AQ
Cut-and-stack combined line SRJD300-600 M.2025.206.C130047 CTG25112259C / SR547AQ
Stacking machine SRDZ1400-2200 M.2025.206.C130048 CTG25112259C / SR548AQ

Verify at udem.com.tr/belge-sorgulama — applicant name: Nantong Sirui Engineering Co., Ltd.

Management systems

Certified by China Zhongan Quality and Environment Certification Center (ZAZH), Beijing. Scope on all system certificates: development and production of leather machinery and electrical special equipment (silicon steel cut-to-length and slitting lines).

System Standard Certificate number Valid from Valid to
Quality GB/T 19001-2016 / ISO 9001:2015 02825Q11218R0M 2025-04-22 2028-04-21
Environment GB/T 24001-2016 / ISO 14001:2015 02825E10807R0M 2025-04-22 2028-04-21
Occupational health & safety GB/T 45001-2020 / ISO 45001:2018 02825S10767R0M 2025-04-22 2028-04-21
Energy GB/T 23331-2020 / ISO 50001:2018 24EnMS10064R0M 2024-05-08 2027-05-07
Measurement Measurement Management System CMS Su[2021]AAA1852 2021 -
Work safety Work Safety Standardization L3 Su AQBJX III 202405570 2024-09-16 2027-09-15

Verify at cnca.gov.cn or zazh.com/query.html

Our factory standard is stricter than the industry standard

Factory standard Q/320682 SR 012-2025 (issued 25 Nov 2025, effective 1 Dec 2025) was drafted on the basis of industry standard JB/T 10918-2023 and tightens four parameters:

Parameter Industry standard JB/T 10918-2023 SREE factory standard Q/320682 SR 012-2025
Shear thickness (HJX-200/400) 0.200 - 0.350 mm 0.180 - 0.350 mm
Cut-length accuracy ±0.200 mm / 2 m ±0.150 mm / 2 m
Pneumatic collation accuracy ±(10 - 25) mm ±(8 - 20) mm
Servo collation accuracy ±(5 - 8) mm ±(3 - 5) mm

Intellectual property

US invention patent
US 12,421,039 B2 — High-speed automatic stacking machine. Granted 23 Sep 2025, in force to 26 Dec 2043.
153 granted patents
Invention, utility model and design patents covering cut-to-length, slitting, stacking and shop logistics equipment.
9 registered software copyrights
Including the slitting line operating software, the WMS automated storage system and the PDM master-data system.

Company qualifications

Copies of any certificate listed here are available on request. Leather machinery certifications, including industry standard QB/T 2010-2011 drafted by SREE, are published on our leather machinery site.

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Nantong Sirui Engineering Co., Ltd.(南通思瑞机器制造有限公司)
Unified Social Credit Code: 91320682780276103D · Manufacturing since 1997 · incorporated 2005
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