Shanghai xiangnan Co Ltd of Valve Machinery Predecessor of Shanghai nanxiang valve factory.Already have 30 year history.Be deveolp exploit each kind redvcing valve discipline company.

• 上海翔南阀门机械有限公司前身是上海南翔阀门厂，已有三十多年的历史，是研制开发各类减压阀的专业公司。