www.covna-valve.com
电动阀,气动阀,电磁阀,手动阀,调节阀-科威纳(COVNA)自动化阀门品牌厂家
科威纳COVNA是源自德国技术,专业生产管路流体控制的电磁阀,气动阀,电动阀等自动化设备配件, 科威纳产品远销100个多国家与地区,广泛应用于自动化,环保,水处理,石油,天然气,化工,电力,冶金,船舶,采矿,造纸,医药,工业系统等十几个行业及领域。
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