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Manufacturing, installation, and engineering services for ventilation pipelines, fire smoke exhaust pipelines, and pipe insulation projects; production of air outlets, valves, exterior louvers, ventilation pipelines, galvanized spiral ducts, stainless steel spiral ducts, oval ducts, rectangular ducts, and accessories.
Company InformationLocation：Tianjin 会员级别：采商通第4年 身份认证：
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