Founded in 2005, Yonker (Xuzhou Yongkang Electronic Science Technology Co., Ltd.) is a globally recognized manufacturer of medical equipment, bringing together research and development, production, sales, and after-sales service. With seven subsidiaries worldwide, the company offers a diverse portfolio spanning over 20 product lines, including pulse oximeters, patient monitors, ECG machines, syringe pumps, blood pressure monitors, oxygen concentrators, and nebulizers. Yonker's technologies are trusted in over 140 countries and regions.

With two cutting-edge R&D centers based in Shenzhen and Xuzhou, Yonker relies on a team of around 100 engineers and holds close to 200 patents and registered trademarks. Its three major production sites—covering 40,000 m²—are equipped with smart manufacturing tools, cleanrooms, and in-house mold and injection facilities, enabling high-volume, quality-controlled manufacturing of up to 12 million devices annually.

Dedicated to its core values—sincerity, care, efficiency, and responsibility—Yonker provides a fully integrated after-sales service system for distributors, OEM partners, and end users. Its customer support spans 96 countries, ensuring fast response times (within 5 hours) and long-term product care.

Yonker adheres to strict international quality standards, with over 100 products certified (CE, FDA, CFDA, TUV ISO13485, ANVISA, etc.). The company’s reputation for innovation and reliability has made it a trusted partner to top healthcare brands such as Philips, Nellcor, Masimo, and Suntech Medical.