Features:Exquisite design and excellent quality.Use of high carbon steel/cast iron materials, dazzle beautiful appearance, special surface treatment.Frame using the latest technology, new technology of manufacturing.Using the latest special import carbon steel material 10 circle solenoid valve technology, the back strongmagnetic absorption.Angle precision, high density, working speed, strength, long working hours is not hot.Good conductive permeability performance, a fog or coloring or secant simple and fluent.