Who We Are RONLON FLOOR SYSTEM makes concrete floor grinders and tooling designed to provide you with the most productive and reliable grinders on the market.Ronlon floor system was founded by David Dai and Weng guozhong since 2002 year.When you contact Ronlon floor system for support, you can expect to get advice from a professional in the industry who has been where you are.Our mission is to support SURFACE PREP PROFESSIONALS:We focus on providing the best concrete grinders.We are experts in concrete.We love concrete. We want you to love concrete and surface prep,too.We want you to own the most reliable machine on the market.We have put a lot of effort into making our RONLON grinders with the best in durability and design. You can count on extremely low to no downtime on jobs.And, if you do happen to need maintenance, all of our wear and tear parts are end user replaceable getting you back in the field without costly service repairs.We want to help you be more productive.We build all our machine with gears,not belts,to keep your machine running all day and to give you more consistent scratch patterns.And, we use top quality parts to make sure your not stuck on a job because your grinder let you down.