Chengwu Chengtou Doors & Windows Co., Ltd.
Heze, Shandong door and window contractor founded in 2018 with registered capital of RMB 61 million. The company assembles, processes, and installs aluminum-alloy and steel-plastic doors and windows, with secondary lines in tempered/insulated glass and aluminum-alloy/steel-plastic profiles. Registered scope also covers curtain wall, façade insulation, and a broad range of construction trades — primarily a domestic-market window installer rather than an export-oriented mill.
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