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Sihai Fiber Optic | CNFIBERNET.cn (China Fiber Optic Network Supply Chain)

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Sihai Optical Fiber was founded in 1997 and is a joint-stock cooperative high-tech enterprise.

Since its establishment in China 26 years ago, the company has actively constructed optical network engineering and public security infrastructure projects.

The company is a leading manufacturer engaged in the research and development, production, and sales of fiber optic equipment and wireless network equipment. We currently employ nearly a hundred outstanding professionals and have obtained over 60 honors, certifications, qualifications, and invention patents. Our products are fully certified with CE, RoHS, FCC, and TUV standards, and are exported globally to countries and regions including India, Israel, Thailand, the Philippines, Pakistan, Indonesia, Malaysia, South Korea, Russia, Ukraine, Spain, Germany, Brazil, Colombia, Chile, Argentina, South Africa, Kenya, Algeria, North America, and Australia. We also warmly welcome OEM and ODM orders. The high-quality service provided to our customers has earned us an excellent reputation worldwide. To learn more about how we can serve your business, please feel free to contact us. We look forward to establishing long-term business relationships with you to achieve mutual success.

Brand History of CNFIBERNET (China Fiber Optic Network Supply Chain)

In 1997, known as the 'Fiber Optic Year', China's Four Seas Fiber Optics actively promoted fiber optic communication technology across China, leveraging global leading technologies from the US Fiber Optic Network Research Institute. During this 26-year journey, outstanding contributions have been made to the country's broadband IP network and Fiber-to-the-Home (FTTH) sectors. The entire series of CNFIBERNET brand fiber optic communication products are exported to 66 countries and regions worldwide.

FOUR SEA Fiber Production Video

Company products

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After-sale service

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Committed to providing high-quality service to customers, pursuing customer satisfaction is our consistent goal.

Service response:

7 * 24-hour standby and timely response service.

Service Commitment:

We will strictly follow the consumer protection and warranty policies to provide services that fully satisfy our clients.

The following situations are not covered by the warranty:

1. Human-induced or accidental damage.
2. Damage caused by natural disasters such as floods, fires, or other force majeure factors.
3. Natural wear, tear, and aging occurring under normal operating conditions.

Contact Us

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We win customers with product quality and service quality.

China Fiber Optic Network Supply Chain Center

10 Xiyuan Road, Hangzhou, Zhejiang Province, China
Whatsapp/WeChat: +8613306521122
Whatsapp/WeChat: +8615858251818
Sales email: sales@cnfibernet.cn

working hours:


Monday to Friday:
9:00 - 18:00
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