طلبات تبريد تسخين تهوية / انظمة التهوية / روسيا

Good afternoon. We would like to offer you an offer for the purchase of gearboxes and ventilation systems. Previously bought in Holland. now decided to buy in Turkey. we are looking for wholesale deliveries

we are looking for manufacture for ventilation valve and traps, please find enclosed zip archive with samples.

I am looking for turkish companies, manufacturers of wall vents