

Direct factory-to-port sauna manufacturing.
Establish a direct wholesale partnership with our high-capacity Zhejiang manufacturing facility. We engineer and export architectural-grade traditional, infrared, and outdoor barrel saunas to global commercial standards.
24-Hour CAD Review
Certified Quality
Direct Logistics
Our engineering team translates your custom drawings into production-ready specifications within one business day.
Every unit is built with certified sustainable timber and fully safety-tested to meet CE and RoHS standards.
We coordinate complete container-load logistics directly from our Zhejiang factory to your designated port.
Request a commercial proposal.
Submit your custom dimensions, preferred timber species, and target container volume. Our highly responsive engineering team will thoroughly analyze your CAD drawings or technical specifications, delivering a comprehensive factory-direct wholesale quote and full compliance certification within twenty-four business hours.
Nanjing Zenith Smart Innovation Tech Co., Ltd
Architectural-grade thermal wellness at factory-direct scale.
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cygsupply@gmail.com
WhatsApp: +86 15895873728
Headquarters & Factory: Jiang su, China
© 2026 Kala Thermal-Factory-direct scale. Certified international export.
OEM/ODM PRECISION
