Tunnel greenhouse

tunnel greenhouse is simple greenhouse, usually which is coverd thin film 0.08-
0.15mm
the tunnel greenhouse structure frame is usually arch pipe 
usually the tunnel greenhouse is single span or single tunnel
usually it only has steel structure and film cover, but some people also
install sunshade system, warming system, cooling system, irrigation system,
lighting system and control system.
 
Covering material 80-200 micro plastic film
Width 6m/8m/10m
Length 30-200m
Wind Load 0.35KN/m2
Snow Load 0.25KN/m2
 
Kunsheng Tunnel greenhouse Features
1. Steel structure materila is high quality carbon steel which is accordance
with national standad.Stee;l parts and fasteners are processed according to
"GB/T1912-2002 Technical Requirements and Test Methods of Hot-galvanized Layer
for Metal Coating Steel Production".Inside and outside hot galvanized steel
should meet the national standard(GB/T3091-93)requirements of quality
products.Galvanized layer should have thickness uniformity,no burr, and the
galvanized layer thickness is not less than 60um. 
2.CoveringMaterial                                         
                                              The film
cover use PE film or PO film.  All the films have UV coating,and it
has characteristic of anti-drip and anti-aging.     
3. Cooling System
 Include cooling fan and cooling pad. The cooling pad is installed on one
side wall of the greenhouse, the exhaust fan the opposite
4. Irrigation system
Drop irrigation or spray irrigation, ,    According to your requirements
5. Heating System                                         
             
Boiler and water warming  blower. 
 The bolier type has gas boiler, coal  , boiler,  oil boiler 
and biofule boiler,   and gas/oil boiler. 

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