Overview Rhombus Castors (Malaysia) Sdn. Bhd is a manufacturing plant of more than 30 years located at the northern region of Malaysia since 1988. Rhombus is a German brand with more than 100 years since 1899. We are the sole main manufacturing company for Rhombus worldwide. we are also sales channel for Asia pacific markets. We have Production, Quality assurance, R&D, Sales, Supply chain competency and Warehousing facilities. Since April 2009, Rhombus has joined the Colson group USA, the premier manufacturer of castors and wheels in the world. The Colson Group is made up of 21 distinct castor companies located in 16 countries around the world with proud honor of the largest caster manufacturer globally. Rhombus under Colson, offer a wide range of castors in different industry such as for Furniture, Apparatus, Medical, Transport and Heavy Duty. we offer casters under different brands which includes Rhombus, Colson, Jarvis, Albion, MedCastor and many more.