Galvanized Steel Multi Span Poly Film Tomato Greenhouse Design                                            U.S. high quality standard, Chinses competitive price greenhouse manufacture from Shanghai       Company Brief Introduction:   Rough Brothers Greenhouse Manufacturing (Shanghai) Co., Ltd is wholly owned by Rough Brothers INC, the leading U.S. greenhouse manufacturer.   With the design and quality control standards from our America head office, our Shanghai based manufacture center can assure you the best quality of competitive price greenhouse you ever want.   Structure Frame of Polyarch 8000 Agricultural Greenhouse :    All Hot Dipped Galvanized steel, Pre-punched and Prefabricated structure bolt together design     a)  80 x 50mm rectangular HOT DIPPED GALVANIZED columns 2mm thick (14gauge) on 4m centers. b)  Each exposed end wall provided with three (3) 80 x 50mm rectangular HOT DIPPED GALVANIZED       uprights 2mm thick (14gauge) complete with fasteners to secure uprights to gable bows. c)  Horizontal framing for end walls and side walls & European style lock profile D: except the function to fix      the film, they, themselves, are also part of the structure to make the greenhouse more sturdy.      d)  3runs of side wall framing and 4runs of end wall framing e)  60mm round HOT DIPPED GALVANIZED arches 1.5mm (16 gauge) thick on 2m centers complete with      mounting hardware to secure arches to gutter assembly. f)  Three (3) runs of European style lock profile D as roof purlins provided per 8m wide house complete with      mounting hardware. 
g)  (X) Cross bar and “M” truss  are provided complete with fasteners and installed at every internal column –      on 4m centers.
    Cross bars 42*1.5mm horizontal support tube under the arch,
    Three 32*1.5mm vertical tube placed from the roof arch to horizontal support tube.
    Two 32*1.5mm diagonal tube connect the arches to horizontal tube.
h)  Optional longitudinal V reinforcement of round tubes of 32x1,5 mm which avoid the movement of the       straight plan of horizontal support tube vertical tube. i)  Eight (8) runs of galvanized steel gutter provided 1.5 mm (16 gauge) thick complete with mounting     hardware.
j)  Side wall or top roof ventilation
k)  Brackets and fasteners as required to assemble frame   File Options:
Over Wintering Film
Single Season Film
6 mil-4 years Film
Simple layer or double inflated poly
•Clear
•Infrared Dripless
•White
Multi wall Polycarbonate
Corrugated Polycarbonate   Various optional systems: shading, cooling, heating, lighting, irrigation, intelligent control....   Feel free to contact us with any questions regarding  Tech, Price and so on. Looking forward to our first cooperation in the near future.     Contacts: Lertin Liu Skype ID: iamlertin Whatsapp & Viber & Mobile: +86 137 6486 6485