Holy city limited is located in Tianjin, a sea city. We’re in the field of various waste oil solution. Including waste oil from car, marine vessel engine, refinery crude oil factory, tyre oil ,ect.. We offer technology consulting service and equipment supply from sketch design, machine production supervision, installation and after sales. There are professional, various blue prints to meet individual demand.

Oil project products include Industrial waste oil tyre pyrolysis machine, filter press, oil pump, oil sludge incinerator, oil distillation machine, oil water separator, waste oil disposal chemical, ect. Here we sincerely wish to develop long-term, win-win way of cooperation with you in future.