Qingdao Wanhe Decorative Doors & Windows Engineering Co., Ltd.
Qingdao, Shandong-based specialty window and curtain-wall engineering company established in 1995 with registered capital of RMB 170 million. Core capabilities include R&D, production, and installation of aluminum alloy and PVC energy-saving windows, fire-rated and refractory windows, roof skylights, and building curtain-wall systems. Also manufactures and installs fire-rated and refractory glazing. Serves architectural projects requiring certified fire-resistant window and facade systems.
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