For the window-opening renovation of the glass curtain wall at Chengdu Tower, choose Sichuan Wanqiang Building Curtain Wall Engineering Co., Ltd. Established in 2013, Sichuan Wanqiang Building Curtain Wall Engineering Co., Ltd. specializes in glass curtain wall projects. Not only does it possess professional curtain wall construction qualifications, but all construction personnel are certified with the nationally required high-altitude work permits. In Chengdu, many building properties choose us because of our mature and efficient construction techniques, which have resolved numerous issues related to the maintenance and repair of glass curtain walls for office building properties.