About DUOAI
Duoai Hotel Supplies is a modern enterprise integrating R&D, manufacturing, and sales, located in Hangji Town, Yangzhou, Jiangsu Province—the "Capital of Toothbrushes" and "Capital of Hotel Supplies" in China.
Company Profile
Duoai's core product lineup includes slippers, toothbrushes, combs, personal care items, and other hotel amenities. The company operates state-of-the-art production equipment, including single- and dual-color injection molding machines, bristle-setting machines (with robotic arms), brushing machines, pulverizers, high-speed pillow packagers, 3D packaging machines, and stamping presses.
For years, Duoai has earned widespread praise from clients for its superior quality and professional service, becoming the industry's first modern enterprise to achieve a closed-loop production and operation across the entire supply chain.

Corporate Culture
Our Vision, Mission, and Values
Corporate Vision
Become an international, technology-driven smart manufacturing enterprise
Corporate Mission
Create value through professionalism, achieve customer success through service; give back to society with responsibility and empower partners to grow together.
Core Values
Strive for excellence, embrace equality and coexistence, collaborate for shared success.
Manufacturing Base Layout
Production bases across the country, forming a complete industry chain
Yangzhou Hangji Town Headquarters
Home to DUOAI Group's headquarters, integrating R&D, administrative offices, and core production lines.
Duoai Brush Manufacturing Base
Modern, fully enclosed, and visually transparent toothbrush manufacturing and packaging facility
Xinghua Footwear Industrial Base
Professional hotel slippers manufacturing base with a complete footwear production line.
Jiangdu Shaobo Town Industrial Park
Modern intelligent manufacturing base equipped with advanced automated production lines and 10-level cleanroom facilities
Bolairin - DUOAI Global Supply Chain Support Platform
Polarine Industry & Trade (Shanghai) Co., Ltd. serves as the global business operations and supply chain integration platform of the Doai Group, responsible for overseas market development, international trade operations, project management, product and supply chain integration capabilities, and global logistics and delivery services.
Polarine is more than an export window for products; it provides complete global supply chain solutions, connecting Chinese manufacturing with global customer needs.

Building a Better Future Together
Whether you're a hotel group, airline, or cruise line, we provide professional amenity solutions.
Contact Us for Partnerships