Certificate of Registration This certifies that the Quality Management System of Shenzhen STHL Technology Co., Ltd. Floor 2, Building B4, Anle Industrial Zone, No. 172, Hangcheng Avenue, Sanwei Community, Hangcheng Street, Baoan District, Shenzhen City, Guangdong Province, China 518126 has been assessed by NSF-ISR and found to be in conformance to the following standards(s): IATF 16949:2016 Scope of Registration: Manufacturing of Circuit Board Components Exclusions: Product Design Jennifer Morecraft, Global Managing Director IATF Certificate Number: Certificate Number: Certificate Issue Date: Registration Date: Expiration Date*: 789 North Dixboro Road, Ann Arbor, Michigan 48105 | (888) NSF-9000 | www.nsf-isr.org Authorized Registration and/or Accreditation Marks. This certificate is property of NSF-ISR and must be returned upon request. •Company is audited for conformance at regular intervals. To verify registrations call (888) NSF-9000 or visit our web site at www.nsf-isr.org