The merchandise properly displays environmental safety and vitality preserving. we supply chromed bar and tubes for hydualic and pheumatic cylinders. It has set up stable cooperation with numerous nicely known universities and institutes in china such as, Zhejiang University, Jilin University, Complex committee of national chain push common, Institute of national chain push, Zhejiang software engineering substance institute, Huhan materials defense institute and it cooperated to found China Initial Auto chain institute with Countrywide chain generate institute.