Jining oking tec co ltd established in 2010 is a professional manufacturer engaged in the research development production sale and service of Floor Grinding Machines Floor Polishing Machines Road Line Marking Machines Truck Cranes Road Rollers Excavators Concrete leveling machines Power Trowels and other Construction machinery We are located in Jining city Shandong province with convenient transportation access Dedicated to strict quality control and thoughtful customer service our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction In recent years we have introduced a number of advanced production equipment and also have an...