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Shanghai High-tech Certification Enterprise, ISO9001: 2000 Quality Management System Certification Enterprise
"Xinglong" brand fire damper and smoke damper have won Shanghai brand products
In October 2010, the Shanghai SME Brand Construction Promotion Committee organized the “Small Products” recommendation activity of Shanghai SMEs. Our fire damper and smoke venting valve “Xinglong” bra
Shanghai Xianlong Ventilation Equipment Co., Ltd. official website revision
The official website of Shanghai Xianlong Ventilation Equipment Co., Ltd. was successfully revised, and the new website was launched on April 25, 2013.
Actively participate in the formulation of industry standards for building ventilation air volume control valve
In 2012, he actively participated in the design unit, construction unit, construction consulting,
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