Methyl hydrogen cyclosiloxane, relative to linear Poly-methyl hydrogen polysiloxane, has little impurity, high purity, fixed construction , easy to change the formula’s designing, and can be used to manufacture methyl hydrogen siloxane and modification siloxane with defined hydrogen content, such as high molecular weight Hydrogen silicone oil, Hydroxy polysiloxane, Polyether silicone oil, Siloxane silicone oil, Hydroxy silicone oil, Amino silicone oil, silicone rubber cross linker, etc.