上海瑞一閥門機械有限公司是一家專業從事于控制閥門、蒸汽系統節能閥門、燃氣調節閥門銷售、加工及技術服務的綜合性企業。公司依靠良好的商業信譽、科學的管理、優良的產品以及完善的服務體系,得到了市場的認可,成為許多行業客戶的合格供應商。目前我們的產品已廣泛應用于市政建筑、化工、石油、鋼鐵、電力、醫藥衛生、食品等行業。 shanghai ray valve machinery co., ltd. is a comprehensive enterprise which specializse in marketing、processing and technical servicing of control valves、steam system energy saving valves and gas regulating valves. depending on good commercial reputation、scientific management、excellent products and perfect service system, ray has been recognized by the market, it’s the qualified and trusted supplier by many clients. currently, our products have been widely usde in many industries, such as municipal construction、chemical engineering、petroleum、steel、 electric power、medical health、food and so on. 企業精神 誠信永恒、團結向上、務實發展、創新進取、奉獻回饋!