上海昶龙阀门有限公司  

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感谢您正在或即将使用DANROLL系列产品，感谢您关注DANROLL！

DANROLL是美国Provision International Inc公司在流体控制领域内的国际品牌，Provision International Inc总部位于美国加利福尼亚州洛杉矶，凭借其完善的网络体系**的产品质量、一体式的客户解决方案赢得全球客户的广泛赞誉。

2007年美国Provision International Inc公司在中国设立生产基地，授权上海昶龙阀门有限公司推广DR系列产品，经过多年的发展，上海昶龙形成了DR系列的调节阀、球阀、蝶阀、截止阀、闸阀、止回阀、仪表阀等多系列的产品格局，严格执行API、ANSI、DIN、GB等质量标准体系，产品广泛运用在环保、机械、电力、石油、空分、化工、食品、医药等行业。

上海昶龙一直恪守“质量为根、诚信为本、服务至上**求卓越”的企业理念，为客户提供包括设计、选型、制造、服务、安装、维护、指导在内的涵盖售前售中售后三阶段的全过程全方位服务。

上海昶龙积极开展校企合作，培养新的技术人才，依靠科技创新，不断优化产品结构，提升技术含量，精益求精。

没有**好，只有更好！您的需求是我们永恒的追求.



DANROLL control valve is an international brand of USProvision International Inc in the field of fluid control. ProvisionInternational Inc, headquartered in Los Angeles, California, wins wide praisesfrom global customers with its complete network system, excellent productquality, and integrated customer solutions.



In 2007,US Provision International Inc **p a production base in China and authorized Shanghai Changlong Valve Co., Ltd.to promote the DR series products. After years of development, Shanghai Changlongformed multi-series product structure of DR series control valve, ball valve,butterfly valve, globe valve, gate valve, check valve, gauge valve, etc. Itstrictly implements API, ANSI, DIN, GB and other quality standards, with itsproducts widely used in environmental protection, machinery, electricity, oil,air separation, chemical engineering, food, medicine and other industries.



ShanghaiChanglong has been abiding by the business philosophy of “quality as the root,openness basing on sincerity, service paramount, pursuit of excellence” toprovide customers with overall-process, all-round service covering the threestages of pre-sale, sale, after-sale that includes design, model selection,manufacturing, service, installation, maintenance, guidance.