INTRODUCTION: 1.Manufacture completely according to the standard of JIS F7301 2.Inspect and test completely conform to the standard of JIS F7400 3.Suit for medium:fresh water,sea water,oil,gas,steam,etc 4.most competitive quality with excellent service ORDER GUIDE: 1.Please advice type;nominal pressure;nominal diameter;working temperature 2.Please advice maximum flow;medium;installing requirement;type of actuator connection standard 3.Other detailed requiement You can contact me if you h***e any requestion,I will quote you as fast as I can.