Dorsan Sazeh Company as the representactive of draw wall system of Iran knauf ( the producer of delegations plaster & cast in Iran ) manage to do such as inner designer & managing dry instrument & subject to satifactory completion systems & so on ..
Using of draw wall couse of so many advantages especially light weight that has dricted impact an reducing calculated weights , decreasing the power of cutting as small peice & besides reducing the cost price of completion & inner spreading aswell.

at this moment , this system is used as popular & noticeable & current methods in completion in the world,

because this system is essentional to development instruments & completions in country & success in Iran zeonophizic , due to its located in easthquak band using of these systems are very important to mange light & dry instrument in buildings & nessesity of using experience of managing in coordination with valid client for completion & by doing 7 participating more thane 800 drawwall projects in Iran , it has highest grades in excutive