PVC profiles for doors and windows

Request for offer
Dear sirs, madam
Our company is trade company and is official distributor in Macedonian market for PVC and Aluminium profiles, also for production of doors and windows, also structural and semi structural facades ect.
We are looking for supplier for selfdrilling screws for PVC profiles such as 3.9x16, 3.9x19. 3.9x25
3.9x32, 3.9x38 and screws for fittings such as 4.1x25 and 4.1x35mm.
Also is interested screws for concrete:
7.5x72 to 7.5x212mm.
Kind regards,