Pars Electrical Research Industry Engineering Co. (MASPA) , is established has specialized in the development and production as follow: 1. Designing and manufacturing connectors for High Voltage Substations of 63 kv up to 400 kv. 2. Designing and manufacturing fittings for optical Fiber Ground wire (OPGW) , ALL – Dielectric Self Supporting (ADSS) and fiber optical cables. The experience of many years and the resulting technical know-how make it possible for us to offer our customers the safety that is necessary for the construction of substation as centers of electricity distribution. In providing this safety we pay regard as well to the various climatic and technical claims as to the respective standards and the high quality of our products ready for installation.