Pingdu Zihai Rubber Manufactory was established in March 1995, located Qingdao - a famous tourism seaside city North China, enjoying very convenient transportation and well-informed communications. We are professional manufacturer of inner tubes ...

I am interested in Copper Inner-grooved Tube, nom. size 6.35mmOD/ 0.250 inch. We want to increase our liquid nitrogen-LN2 heat transfer coefficient above smooth bore Cu tubing for use on high temperature super conductor Flux Conserver at a pressure not more ...