Pyers Services 2018 Limited produce a large selection of rotary moulded products including moulded rainheads, sumps, scupper outlets, plate droppers, roof vents & bespoke items. All made right here in Nelson. The PSL Roto-Moulding factory has been manufacturing water management products for supply to the building industry for many years now. Below are our stock items, so if you're interested in our moulds please do get in touch.