Suzhou Langgu Intelligent Technology Co., Ltd. is a first-class professional intelligent window opener manufacturer integrating R & D, design, production and installation. It has excellent R & D strength, strong technical strength, complete product series and rich installation experience. The same is also authorized by LONGO INDUSTRIAL FROUP LIMITED (UK Langgu Industrial Company) and Hongkong Langgu Industrial Group Co., Ltd., the authorized production and promotion cooperation unit in mainland China.
The company has obtained IS09001 quality system certification, Jiangsu Province private science and technology enterprise certification, high-tech enterprise certification, EU CE certification and many other certifications. The companys products have passed the test report of the national fire electronic products tribute supervision and inspection center, and the fire 3C certification of the Ministry of public security fire products conformity assessment center. At the same time, the companys products have obtained dozens of patent certification, including 3 invention patents.
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