ISO 9001:2015
Quality Management System
- Certificate no.
- 00525Q4248R0S
- Status
- Document reviewed · valid to 11 Sep 2028
QUALITY & COMPLIANCE
Evidence with a visible status.
This center identifies the legal holder, scope and document status of each qualification item. Manufacturing-partner credentials are not presented as certifications held by ST Hydrogen or Scribble Tree.MANAGEMENT SYSTEM CERTIFICATES
Current documents received from the manufacturing partner.
Certificate holder: Chunhua Hydrogen Energy Technology (Hunan) Co., Ltd. Issued by China Classification Society Certification Co., Ltd. on 12 September 2025; valid until 11 September 2028. Scope stated on both certificates: management activities involved in the R&D and manufacturing of PEM water electrolysis cells.
ISO 45001:2018
Occupational Health and Safety Management System
- Certificate no.
- 00525S4250R0S
- Status
- Document reviewed · valid to 11 Sep 2028
Document review confirms that the supplied copies display the information above. Buyers requiring independent validation should use the issuer details and QR code shown on each certificate or request confirmation during supplier qualification.
Management systems
Documents reviewedISO 9001:2015 and ISO 45001:2018 certificates have been received for Chunhua Hydrogen Energy Technology (Hunan) Co., Ltd. No ISO 14001 certificate is represented on this page.
PEM intellectual property
Supporting documents receivedThe supplied package contains multiple patent registration copies, utility model certificates and design patent certificates associated with PEM water-electrolysis technology.
Software copyrights
Supporting documents receivedThe supplied package includes software copyright registrations for monitoring, alarm, control and equipment-networking functions. Project relevance is confirmed during qualification.
Enterprise credentials
Document package receivedThe package includes high-tech enterprise and specialized SME credentials plus industry recognition materials. These are corporate credentials, not product certifications.
Product specifications
Controlled by issued documentsWebsite values describe standard configurations that can be customized. The issued model datasheet, quotation, technical agreement and acceptance criteria remain controlling.
SUPPLIER QUALIFICATION