Siyinkampani yeengcali egxile kwimveliso ye-quartz edityanisiweyo ngaphezulu kweminyaka eli-10.
Ukusukela oko yasekwa ngo-1999, ngaphezulu kwe-100 yeZityalo zePSA, kubandakanywa ezona yunithi zikhulu zehlabathi-iseti enye yeVPSA-CO kunye neVPSA-O2 izixhobo, ziyilwe kwaye zanikezelwa nguPIONEER.