https://www.businesswire.com/news/home/20180621005836/en/ > DUBLIN--(BUSINESS WIRE)--Jun 21, 2018--The "Global and China Industrial Robot Speed Reducer Industry Report, 2018-2022" report has been added to ResearchAndMarkets.com's offering. > Global and Chinese market of precision speed reducer, a core component of industrial robot, has always been monopolized by Nabtesco, HarmonicDrive, Sumitomo, Spinea and SEJINIGB because of higher technology barriers.