--- title: The Ringfeder Blog | Tobias Johansson description: Tobias spearheads future product development projects, ensures compliance with relevant legislation and standards, and draws upon his over 20 years of automotive industry experience to guide product development initiatives. --- [![RINGFEDER®](https://www.ringfeder-rf.com/img/ringfeder/ringfeder-logo-white.svg) ![RINGFEDER®](https://www.ringfeder-rf.com/img/ringfeder/ringfeder-logo-blue.svg)](https://www.ringfeder-rf.com/en/) - [Solutions](https://www.ringfeder-rf.com/en/solutions/) - Product - [Product knowledge](https://www.ringfeder-rf.com/en/product-knowledge/) - [Coupling](https://www.ringfeder-rf.com/en/products/coupling/) - [Underrun protection](https://www.ringfeder-rf.com/en/products/underrun-protection/) - [System solution](https://www.ringfeder-rf.com/en/products/system-solution/) - [Drawbar](https://www.ringfeder-rf.com/en/products/drawbar/) - [Drawbar eye](https://www.ringfeder-rf.com/en/products/drawbar-eye/) - 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Learn why coupling products for road transport undergo rigorous testing before approval. Discover the mechanical tests and regulations that ensure their … - ![Tobias Johansson](https://blog.ringfeder-rf.com/hs-fs/hubfs/Ringfeder/RF_blogauthors/Ringfeder%20author%20Tobias%20Johanss.png?width=48&height=48&name=Ringfeder%20author%20Tobias%20Johanss.png)Tobias Johansson - 3 min - December 08, 2023](https://blog.ringfeder-rf.com/en/mechanical-tests-approval-process) ### Keep updated on thoughts, facts and knowledge! - ## Explore Ringfeder - [Solutions](https://www.ringfeder-rf.com/en/solutions/) - [Products](https://www.ringfeder-rf.com/en/product-knowledge/) - [FAQ](https://www.ringfeder-rf.com/en/support/faq/) - [Support](https://www.ringfeder-rf.com/en/support/) - [Find us](https://www.ringfeder-rf.com/en/support/find-us/) - ## How can we help you? - [I want to buy](https://www.ringfeder-rf.com/en/contact-us/request-to-buy/) - [I need spare parts](https://www.ringfeder-rf.com/en/contact-us/request-for-spare-parts/) - [I need technical support](https://www.ringfeder-rf.com/en/contact-us/i-want-technical-support/) - [Other questions](https://www.ringfeder-rf.com/en/contact-us/other-questions/) - Supplier information ## Follow us - - - [Combined Shape Created with Sketch.](https://www.youtube.com/@ringfedertrailercouplings) - VBG Group Truck Equipment GMBH | Girmesgath 5 | D-47803 Krefeld - [Privacy](https://www.ringfeder-rf.com/en/privacy/) - [Imprint](https://www.ringfeder-rf.com/en/imprint/) - [GTC](https://www.ringfeder-rf.com/siteassets/ringfeder/terms_of_sale_new.pdf) - Whistleblower - Cookie Policy [![VBG Logo](https://www.ringfeder-rf.com/img/vbg-group-logo.svg)](https://www.vbggroup.com) ## Global Sites ### Global Sites - [Deutsch](https://www.ringfeder-rf.com/de/) - [English](https://www.ringfeder-rf.com/en/) - [Español](https://www.ringfeder-rf.com/es/) - [Polski](https://www.ringfeder-rf.com/pl/) ### Regional Sites - [Australia](https://www.ringfeder-rf.com/en-au/) - Brasil [English](https://www.ringfeder-rf.com/en-br/) [Português](https://www.ringfeder-rf.com/pt-br/) - [New Zealand](https://www.ringfeder-rf.com/en-nz/) Looking for machine elements from RINGFEDER POWER TRANSMISSION? 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