FCC ID: 2AHI4-MOOZ-2-PLUS DOBOT MOOZ-2 3D Printer

Shenzhen Yuejiang Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakiand Mills Road Columbia, MD 21046 Date: 2019/12/18 SUBJECT: FCC Application for (FCC ID: 2AHI4-MOOZ-2-PLUS) To Whom It May Concern:

We, the undersigned, hereby authorize Aaron Ma_ in Shenzhen Huaxia Testin Technology Co.,Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co.,Ltd on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely,

(Must be signed by the person that is listed on the FCC Website) Signature: Bart Waa Contact name: Barry Wang Company name: Shenzhen Yuejiang Technology Co., Ltd Address: Floor 9-10, Building 2, Chongwen Garden, No. 3370 Nanshan iPark, Liuxian Avenue, Nanshan District, Shenzhen City, China 518000 Date: 04/17/2018 VCB_F-04: Operating Procedures Form FCC Authorization v02 Page 1 of 1

Shenzhen Yuejiang Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2aHta-mooz-2-PLuS Pursuant to Sections 0.457 and 0.459 of the Commission's Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type File Name 1. Block Diagram, 1. 2AH/4-MOOZ-2-PLUS -Block diagram 2. Schematics, 2. 2AHI4-MOOZ-2-PLUS -SCH 3. Operational Description 3. 2AHI4-MOOZ-2-PLUS -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission's public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of xxxx (ie- 45, 90 or 180) days:

Exhibit Type File Name NIA N/A Signature: 4 arn't Warf Contact name: Barry Wang Company name: Shenzhen Yuejiang Technology Co., Ltd Address: Floor 9-10, Building 2, Chongwen Garden, No. 3370 Nanshan iPark, Liuxian Avenue, Nanshan District, Shenzhen City, China 518000 Date: 04/17/2018 VCB_F-01: Operating Procedures Form ~ FCC Confidentiality v02 Page 1 of 1