طلبات تبريد تسخين تهوية / انظمة التهوية

I want to connect greenhouse building manufacturers and materials Polyethylene greenhouses buildings structures Like greenhouse windows gearbox And heater boilers and cooling fans

I am looking for Greenhouse Equipment suppliers I need exhaust fan, coaxial fan and polycarobonate sheets

Are you able to made the roll up motor ventiltion for greenhouse. i will need a large number of motors

Please send me company contact and product list.

I want greenhouse film from 120-180 microns, with 3-5 layers,

I want to built 500 square meter