Process of polycrystalline silicon (PCS)
Carbon & graphite for the PV industry
PTT - maintenance - Windtracker™ services
PTT - maintenance tools - SJ210M roughness meter
PTT - maintenance - STAGELEC training form
PTT - maintenance - EXTELEC Training form
PTT - maintenance - complete range of services
PTT - maintenance tools - pocket size stroboscope
PTT - maintenance tools - Mitutoyo roughness meter
PTT - maintenance - carbon brushes, brush-holders, commutators and slip rings