Shenzhen HSL Tech Co., Ltd., located in Schwarzwald Park, Chengfeng Road, Zhangjiagang City, Jiangsu, China, has been dedicated to the design, research and development, production, and sales of high-end intelligent healthcare home appliances， pet care products since its establishment. Our product range includes air purifiers, ventilation systems, pet vacuum cleaner, auto pet feeder, smart cat litter box .

Schwarzwald is equipped with professional research and development laboratories and state-of-the-art production equipment. Our associated injection molding factory operates 26 injection machines. We maintain high standards of quality control and have a dedicated research and development team, with a new product development cycle of 3-4 months.

Our products are certified with CE, RoHS, ETL, and CB for various markets. As an OEM and ODM manufacturer, we are committed to becoming the world's most professional and advanced healthcare home appliances experts. We look forward to collaborating with you to provide products that offer competitive prices and consistent quality. Thank you!