FCC ID: 2AW3I-KNC91 Automotive Key Cutting Machine

DATE : 2020-05-26 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Jason Wu of Global United Technology Services Co., Ltd.and No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commissions regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Shenzhen Xtooltech Intelligent Co., Ltd and 17&18/F, A2 Building, Creative City, Liuxian Avenue, Nanshan District, Shenzhen 518000, China Signature:

Name: Darby Tan Title: Overseas Sales Director Company: Shenzhen Xtooltech Intelligent Co., Ltd

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Shenzhen Xtooltech Intelligent Co., Ltd U.S. Agent Designation for Service of Process -

Certification Attestation Letter 5/16/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AWSI-KNC91 FRN of applicant: 0029799749 Per section 2.911(d)(7) of the FCC rules, Shenzhen Xtooltech Intelligent Co., Ltd certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process:

Company Name: TianHeng Consulting, LLC Physical U.S. Company Address: 392 Andover Street, Wilmington, MA 01887, United States Contact Person: Hualing Dong Agent Email Address: tianhengconsulting@gmail.com FRN: 0033401258 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Agent Signed (if different to Applicant):

Signed: rb Jone Signed:

Printed name: Darby Tan Printed name: Hualing Dong Title: Overseas Sales Director Title: President Company Name: Shenzhen Xtooltech Intelligent Company Name: Tianheng Consulting, LLC Co., Ltd Date: 5/16/2023 Date: 5/16/2023 the applicant must designate a contact located in the United States for purposes of acting as the applicant's agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process.

WUXI KYDZ CO.,LTD Date: 2023/05/16 To Whom It May Concern:

The letter grants authorization for representative of Shenzhen Xtooltech Intelligent Co., Ltd to apply the FCC for a change in identification. This authorization applies to WUXI KYDZ CO.,LTD, FCC ID: 2AE9Z-KYDZ306 , granted on 08/05/2020, The equipment is electrically identical. We are aware that Shenzhen Xtooltech Intelligent Co., Ltd intends to market the above referenced product under FCC ID:

The only change being the applicant and product name, Delete trade mark, FCC ID and the label on the device. The original test results, technical information and relevant documents continue to be representative of and applicable to the change ID equipment. Should there be any question, please feel free to contact us. oe u Clients signature Client's name / title: Yan Wu/Manager Tel: +86-0510-66057666 Email: ylhy99@gmail.com Sincerely,

Date: 2023/05/16 Shenzhen Xtooltech Intelligent Co., Ltd To Whom It May Concern:

This change of identification request applies for a new FCC ID: 2AW3I-KNC91 as established for a currently approved device. This application by Shenzhen Xtooltech Intelligent Co., Ltd will establishes a new FCC ID under own grantee code for purpose of marketing. The original grant to WUXI KYDZ CO.,LTD, FCC ID: 2AE9Z-KYDZ306, granted on 08/05/2020, will remains in effect. An authorization letter by WUXI KYDZ CO.,LTD is attached. The equipment is electrically identical. The original test results are applicable and representative of this changed device. External photographs are included in the application Should there be any question, please feel free to contact us. Sincerely, Clients signature Clients name / title: Darby Tan/ Overseas Sales Director Tel: 0755-83467556 Email: darby.tan@xtooltech.com