Roller doors sri lanka - Darshana Engineers
Roller shutter door spring

We are the only producers of Torsion spring (Roller shutter door spring) in Sri Lanka. Apart from to our own consumption we supply to Both domestic and international market.

Our production line is Semi - Automatic. Raw materials are being imported. Carbon spring is been used as the base material for the production of Torsion spring. Our Products reach the market after the quality inspection of each batch. So we are able to reach the Sri Lankan Standards (SLS) and also our product is according to International standards.

The Torsion Spring secure to the outer most drum with a bolt as pictured. Typically two Torsion springs balance each door. One benefit of using our spring is that u can assure the product tension and durability as we use a heating tunnel to uplift the product quality.



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