Chengu Weegiant /WeesonTech co., Ltd.,originally Chengdu Glass Research Insititute, a national Hi-Tech enterprise, is the earliest and only manufacturer in China which has been insisting on independent research and development with sustainable innovation for the sealing CO? laser tubes for over 30 years.

Chengdu Weegiant is the largest scale manufacturer in the world for producing CO? laser tube and thermo glass bulbs for sprinklers, we achieved over 30 patents during stable development, with the annual productivity over 100 thousand CO? laser tubes and 70 million glass bulbs.

Weegiant passed ISO9001 quality management system in 2000, and has a strict control in material purchasing, production process and inspection during production and before delivery and each steps, and also has various advanced inspection and analysis equipments to ensure each tube’s quality and performance.

At present, our tubes cover all the domestic markets, and has branches in Jinan, Shanghai, Ningbo, Wuhan and Dongguan and other places, meanwhile exported to Italy, USA, France, Korea, Israel, Southeast Asia, Middle East and other countries, and has a good reputation at home and abroad.