Why Choose KSFLEX
KSFLEX is the export brand of Langfang Kusen Energy-Saving Technology Co., Ltd., located in Langfang, Hebei — China's insulation materials manufacturing hub, 60km from Beijing and Tianjin port.
15+
Years in Business
30+
Export Countries
2
Production Lines
24h
Response Time
Our Advantages
Factory Direct Pricing
No trading company markup. You deal with the manufacturer directly — better price, better communication.
OEM & Customization
Custom sizes, densities, colors, facings (aluminum foil, glass cloth), private label packaging.
Quality Control
ISO 9001:2015 certified. Every batch tested for density, thermal conductivity, and dimensional tolerance.
Export Experience
Familiar with export documentation, SABER/CE/GOST certifications, and container loading optimization.
Certifications
ISO 9001:2015CEClass 0 / B1 Fire RatingRoHS
* SASO/SABER and other market-specific certifications available upon request.