尊敬的广大客户及相关人士：

首先感谢大家多年来对格拉夫（嘉兴）仪器仪表有限公司《以下简称：GRAEFF（格拉夫）》的关心和支持；GRAEFF（格拉夫）特此声明并郑重提醒，在中国境内GRAEFF（格拉夫）为以下知识产权的法定所有者。

Dear customers and relevant parties:

First of all, I would like to express my gratitude to all of you for your concern and support for GRAEFF (Jiaxing) Instruments Co., LTD. (hereinafter referred to as: GRAEFF over the years. GRAEFF hereby declares and solemnly reminds that within the territory of China, GRAEFF is the legal owner of the following intellectual property rights.

一、GRAEFF（格拉夫）在中国境内授予的注册商标：

I. Registered trademarks granted by GRAEFF within the territory of China:

注册号64150019

Registration number: 64150019

注册号59209966

Registration number: 59209966

注册号59960141

Registration number: 59960141

二、GRAEFF（格拉夫）商标设计标准在中国境内授予的著作版权：

Ii. Copyright of the GRAEFF trademark design standard granted within the territory of China:

浙作等字11-2023-F-33943

Zhejiang Zuo et al. 11-2023-F-33943

三、GRAEFF（格拉夫）在中国境内部分授予的产品专利：

Iii. Some of the product patents granted by GRAEFF in the territory of China:

CN118533353A       CN222212060U       CN308433507S 

CN118482852A       CN222652434U       CN308433508S 

CN118565693A       CN221283476U       CN308456214S 

CN117824736A       CN220924394U       CN308155738S 

GRAEFF（格拉夫）中国公司创始人参与起草和审定有关压力传感器和压力变送器多项国家标准和法定检定规程，其中起草包括JJF 1789-2019 《压力变送器型式评价大纲》、JJG 882-2019 《压力变送器检定规程》、JJ860-2015《压力传感器（静态）》、JJF1509-2015《电阻式应变式压力传感器》法定检定规程。

GRAEFF（格拉夫）团队成员几十年来不断完善和提升产品技术、品质、服务，我们积极倡导推动行业的发展和进步，近年来我们不断在产品上做出新的环保化和智能化创新，设计发明了环保介质填充系统和AI智能型（零温漂）熔体压力传感器/变送器，得到了广大客户的认可。

The founder of GRAEFF China Company participated in drafting and reviewing multiple national standards and legal verification regulations related to pressure sensors and pressure transmitters Among them, the drafting includes JJF 1789-2019 "Outline for Type Evaluation of Pressure Transmitters", JJG 882-2019 "Verification Regulation for Pressure Transmitters", JJ860-2015 "Pressure Sensors (Static)", and JJF1509-2015 "Legal Verification Regulation for Resistance Strain Pressure Sensors".

For decades, the GRAEFF team has been constantly improving and enhancing product technology, quality and service. We actively advocate and promote the development and progress of the industry. In recent years, we have continuously made new environmentally friendly and intelligent innovations in our products, designing and inventing an environmentally friendly medium filling system and an AI intelligent (zero temperature drift) melt pressure sensor/transmitter. It has been recognized by a wide range of customers.

郑重声明一

GRAEFF（格拉夫）以及GRAEFF（格拉夫）中国公司创始人在中国拥有的相关产品专利超过100项，我们积极推行在中国境内的知识产权管理和保护，未经GRAEFF（格拉夫）授权，任何人不得以任何方式或形式使用以上及GRAEFF（格拉夫）合法知识产权；如果出现以上情况GRAEFF（格拉夫）将保留根据中华人民共和国相关法律追究相关人员(包括但不限于制造商、经销商、设备终端用户等）的法律责任。

GRAEFF（格拉夫）在中国的快速发展，受到广大客户的支持和信任，但个别厂家和人员发表言论故意抹黑GRAEFF（格拉夫）的种种行为，让我们深感痛恶，GRAEFF（格拉夫）提出严重警告：劝诫个别厂家和人员立即停止恶意抹黑企业形象和名誉的行为，我们已经收集了相关证据，并将采取法律措施保护我们的合法权益，我们将保留依法追究相关人员法律责任的权利。

格拉夫（嘉兴）仪器仪表有限公司

2025年8月11日

Formal Statement One

GRAEFF and the founder of GRAEFF China Company own over 100 related product patents in China. We actively promote intellectual property management and protection within the territory of China. Without the authorization of GRAEFF No one may use the above and GRAEFF's legal intellectual property rights in any way or form. In the event of any of the above situations, GRAEFF reserves the right to hold the relevant personnel (including but not limited to manufacturers, distributors, end users of equipment, etc.) legally responsible in accordance with the relevant laws of the People's Republic of China.

GRAEFF's rapid development in China has been supported and trusted by a large number of customers. However, the various behaviors of some manufacturers and individuals who deliberately smear GRAEFF have deeply disgusted us. GRAEFF hereby issues a serious warning: We urge certain manufacturers and individuals to immediately cease their malicious acts of smearing the corporate image and reputation. We have collected relevant evidence and will take legal measures to protect our legitimate rights and interests. We reserve the right to hold the relevant personnel legally responsible.

Graeff (Jiaxing) Instruments Co., LTD

August 11, 2025

郑重声明二

声明

尊敬的客户及合作伙伴：

近期，格拉夫（嘉兴）仪器仪表有限公司注意到网络上及个别渠道出现了针对我司的不实言论和恶意攻击以及蓄意编造的虚假信息。这些行为严重损害了我司的声誉与品牌形象，误导了公众对我司的正确认识，对我司的正常运营及客户关系造成了不良影响。

在此，格拉夫（嘉兴）仪器仪表有限公司做出如下严正声明：

坚决反对任何形式的诽谤与诋毁：我们尊重每一位客户的反馈与建议，但坚决不接受任何无事实依据的诽谤与诋毁。对于任何企图通过散布虚假信息来损害我司利益的行为，我们表示强烈的谴责。

 维护合法权益的决心：依据《中华人民共和国民法典》、《中华人民共和国反不正当竞争法》及相关法律法规，我司保留对一切诽谤、诋毁行为采取法律手段的权利。对于已查实的侵权行为，我们将依法追究相关责任人的法律责任，包括但不限于要求赔偿损失、公开道歉、消除影响等。

 呼吁理性与公正：我们呼吁社会各界保持理性判断，不轻信、不传播未经核实的信息。同时，欢迎合作伙伴及各位同行通过官方渠道向我们反映问题或提出建议，我们将积极回应并不断改进服务，努力为大家提供更加优质的服务体验。

 我们坚信，通过法律手段维护自身合法权益，能够有效遏制恶意诽谤与诋毁行为，营造一个健康、公平的市场环境。格拉夫（嘉兴）仪器仪表有限公司将继续秉承“客户至上，诚信为本”的经营理念，致力于为每一位客户提供专业、贴心的服务。

最后，我们再次感谢社会各界对我司的关注与支持，并期待在未来的日子里，与您携手共进，共创美好未来。

格拉夫（嘉兴）仪器仪表有限公司

 2025年8月11日

Formal Statement Two

Declaration

Dear customers and partners:

Recently, Graeff (Jiaxing) Instruments Co., Ltd. has noticed that there have been false statements, malicious attacks and deliberately fabricated false information targeting our company on the Internet and through certain channels. These actions have seriously damaged our company's reputation and brand image, misled the public's correct understanding of our company, and had a negative impact on our normal operation and customer relationships.

Here, Graeff (Jiaxing) Instruments Co., Ltd. makes the following solemn statement:

We firmly oppose any form of defamation and slander: We respect every customer's feedback and suggestions, but we resolutely do not accept any defamation and slander without factual basis. We strongly condemn any attempt to harm our company's interests by spreading false information.

Determination to safeguard legitimate rights and interests: In accordance with the Civil Code of the People's Republic of China, the Anti-Unfair Competition Law of the People's Republic of China and relevant laws and regulations, our company reserves the right to take legal action against all acts of defamation and slander. For verified infringement acts, we will hold the relevant responsible persons legally accountable, including but not limited to demanding compensation for losses, public apologies, and eliminating the negative impact.

Call for rationality and justice: We call on all sectors of society to maintain rational judgment, not to believe or spread unverified information easily. At the same time, we welcome partners and colleagues to report problems or offer suggestions to us through official channels. We will respond positively and continuously improve our services to strive to provide everyone with a better service experience.

We firmly believe that safeguarding our own legitimate rights and interests through legal means can effectively curb malicious defamation and slander, and create a healthy and fair market environment. Graeff (Jiaxing) Instruments Co., Ltd. will continue to uphold the business philosophy of "customer first, integrity-based", and is committed to providing every customer with professional and considerate services.

Finally, we would like to express our sincere gratitude once again to all sectors of society for their attention and support to our company. We look forward to working hand in hand with you in the days to come to create a brilliant future together.

Graeff (Jiaxing) Instruments Co., LTD

August 11, 2025