Legal Disclaimer

To our valued new and existing customers and partners:

Recently, our company, Shenzhen Maikexin Technology Co., Ltd., received market feedback and, upon verification, found that: The market has seen optical isolation probe products that deliberately imitate our company’s appearance and misrepresent their specifications, and some even maliciously fabricate and disseminate false claims such as “official OEM authorization from Maike Xin” to piggyback on our brand’s reputation. , seriously misleads the industry and end users, disrupts the normal order of market operations, and has caused considerable inconvenience and losses to users. At the same time, it is suspected of infringing our company’s trademark rights, brand reputation, and core technological intellectual property.

Such acts of counterfeiting and infringement, This is not only an illegal act that blatantly disregards the legal red lines, but also a despicable behavior that betrays business ethics and tramples on the industry’s sense of conscience. Moreover, it is a shameless deception of the trust placed in it by the vast majority of consumers. Such behavior—seeking profit without effort and resorting to opportunistic shortcuts—violates the fundamental business ethics of fair competition, undermines the most basic principle of corporate integrity, and is utterly repudiated by all market players who uphold compliant operations and steadfast independent R&D. It will inevitably be scorned and condemned across the entire industry.

To safeguard the legitimate rights and interests of our broad user base and protect our company’s intellectual property from infringement, and to uphold a fair and just business environment, our company hereby issues the following solemn legal statement:

I. Strict Clarification Regarding Authorization and Authentic Product Channels

1. All of our opto-isolated probe products are independently developed and manufactured in-house, and are sold exclusively through our official website, our official flagship store, and authorized dealers.

2. Except for Nanjing Ruitu Youte Information Technology Co., Ltd., our company has never authorized any third-party company or individual to engage in OEM or private-label cooperation for optical isolation probe products in any form.

3. All genuine products of our company are legally marked with the registered trademarks Micsig and SigOFIT. All customers are urged to carefully verify the exclusive trademark markings when making purchases and to exercise due diligence in distinguishing authentic items from counterfeits. Any products that do not originate from official, authorized channels, closely resemble our products in appearance, and lack the aforementioned registered trademarks are counterfeit or substandard goods deliberately seeking to capitalize on our brand’s reputation. These products are sold at rock-bottom prices; not only do they grossly misrepresent their key specifications, but their stability, reliability, and safety fall far short of our company’s genuine offerings. , and do not meet our company’s quality standards. Our company assumes no responsibility for quality warranties, after-sales service, or any associated legal liabilities with respect to all counterfeit products.

II. Position on Intellectual Property Protection and Rights Enforcement

1. Our company legally owns the registered trademarks Micsig and SigOFIT, and holds numerous core‑technology patents and proprietary trade secrets in the field of optically isolated probes, all of which are strictly protected under the Trademark Law of the People’s Republic of China, the Patent Law of the People’s Republic of China, the Anti-Unfair Competition Law of the People’s Republic of China, and other relevant laws and regulations. Any unauthorized use of our trademarks, imitation of product appearances, false advertising, or unauthorized copying and application of our core technologies constitutes suspected infringement of the law.

2. With respect to the entities that have imitated our product’s appearance, fabricated claims of OEM authorization, and maliciously piggybacked on our brand’s traffic, we have fully documented the evidence of infringement and are concurrently conducting technical comparisons and expert assessments to determine whether their products allegedly misappropriate or copy our core technologies and infringe our intellectual property rights. Once it is confirmed that such acts constitute patent infringement, trademark infringement, unfair competition, or other unlawful conduct, we will resolutely initiate administrative complaints, civil litigation, and other legal proceedings, holding the infringers fully accountable in accordance with the law. We will demand that the infringers cease the infringement, mitigate its adverse effects, and compensate for any economic losses, showing zero tolerance and no leniency.

III. We hereby solemnly remind all users and partners

1. We earnestly urge all corporate users, research institutions, and industry peers to heighten their awareness of identification and proactively resist this… Unscrupulous plagiarism and dishonest business practices To combat such unethical practices, please ensure that you purchase equipment bearing the Micsig and SigOFIT trademarks. Consciously reject low‑priced knockoffs and infringing counterfeit products, and firmly refuse to provide a market for unethical infringement. Let us jointly respect original research and development, champion corporate technological innovation, and work together to build an industry ecosystem and business environment that honors intellectual property, fosters technological breakthroughs, upholds compliant operations, adheres to business ethics, and promotes healthy, fair competition. If you discover suspected counterfeit products or any related evidence of infringement, we welcome your prompt reporting to our official channels.

2. Distributors and partner agents across all channels must uphold the principles of lawful business practices and sound commercial ethics, conscientiously comply with industry standards and applicable laws and regulations, and jointly resist illegal and unethical behaviors such as counterfeiting, the sale of counterfeit goods, and false advertising. Any partner that engages in the sale or promotion of counterfeit products bearing our company’s brand will have its cooperation immediately terminated, and we will pursue all applicable legal liabilities in accordance with the law.

IV. Other Notes

This statement is objective, truthful, and legally binding; no organization or individual may distort, alter, misrepresent its contents, or disseminate it with malicious intent. Our company will maintain long-term, routine monitoring of market infringement activities and adopt a zero-tolerance policy toward all forms of counterfeiting, unauthorized use of our brand, and unethical business practices. We will continue to protect our rights in accordance with the law, uphold our reputation through ethical conduct, and safeguard both our brand’s standing and the fair order of the industry.

Official verification and rights protection feedback channels: 
Official website: https://www.micsig.com.cn/ 
Customer Service Hotline: +86-755-88600880 
Official email: sales@micsig.com

We hereby issue this solemn statement!

Shenzhen Micsig Technology Co., Ltd.
May 13, 2026