The company diameter l Ltd. l Ltd. was established in 1991. was established in 1991. Originally (till 1996) the company was specialised in the pr Originally (till 1996), the company was specialized in the pr oduction of auto-alarms and from 1994 also for production of transport signalisation for trams and trolleybuses. oduction of auto-alarms and from 1994 also for production of transport signalisation for trams and trolleybuses. In 1995 has In 1995 has been started the production of laboratory technique, as are laboratory tables, laboratory power supplies, micro-soldering stands, disjunctive transformers, etc. been started the production of laboratory technique, as are laboratory tables, laboratory power supplies, micro-soldering stands, disjunctive transformers, etc.. and up to now it is still the main production program of the company. and up to now it is still the main production program of the company. In the year 2000, the company variegate its offer with the laboratory tables VARIOLAB, which were in the year 2006 substituted by more advanced system VARIOLAB+ and the offer was furthermore extended also by additional laboratory furniture. In the year 2000, the company variegate its offer with the laboratory tables VARIOLAB, which were in the year 2006 substituted by more advanced system VARIOLAB + and furthermore the offer was also extended by additional laboratory furniture. Thanks to this modular system of laboratory furniture the company is now able to offer to their customers a complete solution for establishing and furnishing of laboratories, technical classrooms and operational rooms. Thanks to this modular system of laboratory furniture the company is now able to offer to their customers a complete solution for establishing and furnishing of laboratories, classrooms technical and operational rooms. Furthermore, the company offers to their customers the production of foil panel labels and keyboards. Furthermore, the company offers to their customers the production of foil panel labels and keyboards. At the same time as was growing the production, was growing also the necessity of larger entrepreneurial premises, so the company had to moved couple times. At the same time as was the growing production, was also the growing necessity of entrepreneurial larger premises, so the company had moved to couple times. The last removal came through on the end of 2004 and the company is now located at Hrdonovicka street 178, Prague 9, Horni Pocernice, where was created a modern factory and offices. The last removal came through on the end of 2004 and the company is now located at Hrdonovicka street 178, Prague 9, Horni Pocernice, where was created a modern factory and offices.