Düzgünler Plastik entered the business world in 1975 under the leadership of Ekrem Düzgün and has become one of the industry's undisputed leading companies with nearly half a century of experience.
| ÇAP | 45° DİRSEK | ||
| mm | Kod | ||
| 100 | PK D45 100 | * | |
| 150 | PK D45 150 | * | |
| 200 | PK D45 200 | * | |
| 300 | PK D45 300 | ** | |
| 400 | PK D45 400 | ** | |
| 500 | PK D45 500 | ** | |
| 600 | PK D45 600 | ** | |
| 800 | PK D45 800 | ** | |
| 1000 | PK D45 1000 | ** | |