hvac scent solutions for hospitality

Scentop: Your Global Scenting Partner   Leading manufacturer specializing in Home Aroma Diffusers and Commercial Scenting Systems. We empower your brand through professional OEM/ODM solutions. Who We Are Started in Guangzhou since 2015,Hunan Heyu Technology Co., Ltd. is a high-tech enterprise integrating R&D, design, and manufacturing. With over a decade of expertise, we provide world-class scent marketing equipment to over 80 countries. Scentop is a brand of Hunan Heyu Technology Co., Ltd. Our facility operates under strict ISO 9001 standards, ensuring that every diffuser—from compact home units to powerful industrial HVAC systems—meets the highest quality benchmarks of CE, FCC, and RoHS. Our Growth Journey 2015-2016 Started in Guangzhou. Established an international trade team, entering North America and the Middle East markets. 2018-2021 Earned ISO9001 certification. Recognized as a National High-Tech Enterprise for our proprietary R&D and technologies. 2022-2023 Revolutionized production through smart manufacturing. Expanded to 10 production lines with a monthly output of 200,000 units. 2024-2025 Founded Scentop brand division in Changsha. Accelerating to a next-level global platform. Professional OEM & ODM Process Seamless end-to-end service to bring your fragrance brand to life. 1-4 Concept & Planning Drawings, Project Evaluation, Design Confirm, and Payment. 5-8 Prototyping & Tooling 3D Printed Samples, Sample Confirm, Mold Development, and T1 Sample Confirm. 9-12 Production & Logistics Mass Production, Final Inspection, Professional Packaging, and Global Shipping. Partner with a Proven Leader With a monthly capacity of 200,000 units and a 12-step professional OEM process, we are ready to scale your business. Start Your Project For Home & Lifestyle Sleek, intelligent, and minimalist designs tailored for residential use, e-commerce brands (Amazon/Shopify), and premium gift markets. Smart Bluetooth/Wi-Fi App Control Whisper-quiet Ultrasonic Technology Customizable Private Label Options For Business & Commercial High-performance nebulizers designed for scent marketing in hotels, retail showrooms, gyms, and large public spaces. HVAC System Connection Capability Coverage up to 5,000m³ per unit Industrial-grade Cold Air Nebulization Full-Service OEM & ODM Partnership We specialize in turning your fragrance concepts into market-ready products. Our one-stop service includes: • Logo Branding & Custom Colors • Unique Housing & Mold Design • Bespoke Packaging Solutions • Firmware & App Customization Ready to Elevate Your Brand Experience? Inquire For Wholesale & OEM Prices