Nanjing Yier Biotechnology Co., Ltd. has earned customer trust through outstanding quality and reliability.

Warranty Training

With CE/ISO13485 dual certification and a free sale certificate, and leveraging market experience in over 130 countries, the company has established a comprehensive lifecycle warranty and training system for silicone urinary catheters.


This system enhances clinical efficiency through professional support, fully covering the application scenarios of all sizes from F6 to F26, as well as special balloon catheters.

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Main Services

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Full Coverage

Dual certification + free sales certificate, lifetime warranty on all F6-F26 urinary catheter sizes, covering hemostasis, drainage, and cleaning scenarios.

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Professional Training

Customized courses by an experienced team, teaching the use of Dufour and other balloon catheters, hypoallergenic and urethral protection, and precise control of the non-toxic properties of silicone.

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Global Response

48-hour rapid delivery to 130 countries, with multilingual training and remote guidance, ensuring a superior "odorless and non-corrosive" experience.