Henan Warm Edge Energy Saving Technology Development Co., Ltd. is an enterprise focusing on the scientific research, production, sales and service of hollow glass warm edge spacing strips. The company has successively introduced more than 30 German core edge heating technology and a variety of tubular warm edge fully automatic  production lines, the annual production is around 100 million meters, and established a relatively complete research and development center for hollow glass edge heating spacers. The company has now passed the ISO9001:2015 quality managementsystem certification and ISO14001:2015 environmental management system certification, and has successfully applied for a number of patents for the invention of the warm edge spacing bar.

      At present, NSHW® warm edge series products have passed the national quality test, American standard UL746 toxic substance volatilization, Swiss standard SGS test, German Rosenheim laboratory  test, EN1279-2 durability test, EN1279-3 argon permeability test, EN1279-6 chemical fogging test and  obtained certification.