Powered by Made-in-China.com

Durable Galvanized Steel Greenhouse for Efficient Plant Growth
US$20.00-50.00
1,000 Square Meters
Sample price:US$26.00/square meter.Request sample
Product profile
Customization
AvailableThickness
CustomShape
Venlo or Pointed GreenhousesMaterial
Polycarbonate BoardSection/Bay
4m/8mCovering Material
Polycarbonate SheetProduct Name
Polycarbonate GreenhouseThe Main Column
Galvanized Steel Square TubeDelivery
According to The Required DimensionsFrame
Hot-Dipped Galvanized SteelTotal Height
3.7-6.7mGutter Height
3-6mApplication
Vegetable Fruits FlowersFrame Material
Hot Galvanized Steel Frame StructureAdvantage
Super Strong ResistanceInstruction for Use
Installation DrawingSize
LargeType
Multi-Span Agricultural GreenhousesVentilation
Top and Side VentinationTransport Package
Required by CustomersSpecification
Type: Multi-Span Agricultural GreenhouseTrademark
SainpolyOrigin
Qingzhou, Shandong ProvinceHS Code
9406000090Production Capacity
3 Hectares Per MonthKey features
Durable Galvanized Steel Frame: Hot-dipped galvanized steel skeleton ensures over 15 years of service life and strong resistance.
High Light Transmission: PC sheet covering provides over 80% light transmittance with excellent thermal insulation.
Customizable Dimensions: Span width, gutter height, and total height can be customized according to required dimensions.
Advanced Ventilation System: Features side and roof ventilation controlled by gear motors for efficient air circulation.
Integrated Shading System: Equipped with automatic and manual control shading nets for optimal temperature regulation.
Strong Wind and Rain Resistance: Designed to withstand heavy rains and strong winds with high compression and tensile strength.
Professional Installation Support: Includes planning drawings, manuals, and optional on-site engineer supervision for assembly.
ISO 9001 Certified Quality: Manufactured under strict international quality standards with comprehensive QA/QC inspection.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.61h
AI-Powered supplier vetting
SummaryWeifang Sainpoly Greenhouse Equipment Co., Ltd. is a limited company offering greenhouse products, with 29 employees and no stated parent group. It provides design customization, ODM, OEM for well-known brands, and has launched new products in the past year, supported by three R&D engineers. CE compliance is reported. The supplier has inventory capability and offers equipment installation, but lacks an overseas warehouse, overseas showroom, and a valid manufacturing-capacity contract with related subcontractors. Service documentation is weak: no written assessment or corrective-action procedures, and complaint handling has procedures but no written records. Financial information identifies reporting years but provides no substantive financial performance evidence. Customer evidence includes OEM work for well-known brands, while no Fortune 500 cooperation is reported and repeat-buyer preference is 10%–30%.
Supplier typeThe supplier is a limited company with no stated affiliation to a larger company group, offering greenhouse products. Its stated business scope also includes agricultural structures, landscaping, agricultural machinery maintenance, and related agricultural and plastic-product sales.
CertificationsCE certification is explicitly reported for the product, providing evidence of conformity with the stated applicable standards. No additional certifications are identified in the provided information.
After-Sales capabilityThe supplier offers equipment installation and has a complaint-handling procedure, but it has no overseas warehouse or showroom. Service governance is weak because assessment and corrective/preventive-action procedures lack written records, and complaint handling also lacks written records.
R&D capabilityThe supplier reports new products during the past year, provides ODM services, and employs three R&D engineers. However, it has no available SDK, so its innovation capability is evidenced for product development and design services but not for SDK-based integration.
Production capacityThe supplier has in-stock capability, reports one-month lead times in both peak and off-season periods, and identifies ten qualified service-capability suppliers. However, it has no valid manufacturing-capacity contract with related subcontractors, which creates a documented production-governance weakness.
Customization capabilityBoth R&D and general design-service information state customization from customer designs, and the supplier also reports ODM availability. This directly supports capability to develop or manufacture customized greenhouse products.
Client casesThe supplier reports OEM service for well-known brands, providing explicit customer-case evidence. It reports no cooperation with Fortune 500 companies, and repeat-buyer preference is stated at 10%–30%, so the customer track record is present but not broadly demonstrated.
Product Q&A
Q:Are you a trading company or a manufacturer?
A:
We are a factory. Our factory produces all items related to the greenhouse, so we provide the best price.
Q:Do you provide samples? Is it free or extra?
A:
Yes, we can provide samples free of charge, but we don't bear the freight.
Q:How to get a quotation for the greenhouse?
A:
Please let us know how many greenhouses are needed and what will be grown in the greenhouse so that we can suggest related systems.
Q:How should I choose a greenhouse system?
A:
Please let us know where the greenhouse is located, including temperature and wind speed requirements.
Q:How to assemble the greenhouse when purchasing?
A:
We have professional after-sales service engineers who will provide planning drawings and installation manuals. You can communicate with him from time to time. If necessary, we can also send engineers to your country to supervise the installation of the greenhouse. Please send a message for specific details.
Send Inquiry
*To:
WEIFANG SAINPOLY AGRICULTURAL TECHNOLOGY CO., LTD.
WEIFANG SAINPOLY AGRICULTURAL TECHNOLOGY CO., LTD.*Content:
Supplier replies will be sent to your registered email
You may also like
Durable PC Greenhouse - Ideal for Year-Round Plant Growth
US$20.00-50.00
1,000 Square Meters(MOQ)
Durable Plastic Film for Hydroponic Greenhouse Plant Growth
US$20.00-50.00
1,000 Square Meters(MOQ)
Durable Long-Life PC Sheet Greenhouse for Enhanced Plant Growth
US$45.00-70.00
1,000 Square Meters(MOQ)
Durable Polycarbonate Greenhouse Sheets for Optimal Plant Growth
US$20.00-50.00
1,000 Square Meters(MOQ)
Durable Greenhouse PC Sheets for Optimal Plant Growth
US$20.00-50.00
1,000 Square Meters(MOQ)
Galvanized Steel Frame Polycarbonate Sheet Greenhouse for Year Round Plant Growth
US$25.00-50.00
100 Square Meters(MOQ)
Durable PC Sunlight Endurance Greenhouse for Optimal Growth
US$45.00-70.00
1,000 Square Meters(MOQ)
Innovative Multi Span Greenhouse for Optimal Plant Growth
US$20.00-50.00
1,000 Square Meters(MOQ)
Innovative Greenhouse Design for Enhanced Plant Growth and Light
US$45.00-70.00
1,000 Square Meters(MOQ)
Smart Thermal Greenhouse for Enhanced Plant Health and Growth
US$45.00-70.00
1,000 Square Meters(MOQ)
Durable Modern Greenhouse with Automatic Irrigation for Optimal Growth
US$5.00-15.00
100 Square Meters(MOQ)
Efficient Twin-Wall Greenhouse for Year-Round Planting and Growth
US$5.00-15.00
100 Square Meters(MOQ)
Agg Hot Sale Thermal Insulation Transparent Durable Layer PC Board Greenhouse for Plant Growing
US$10.00-30.00
500 Square Meters(MOQ)
Durable Wind Resistant Greenhouse with Galvanized Frame for Vegetables
US$5.00-15.00
100 Square Meters(MOQ)
Premium Greenhouse Panels for Enhanced Plant Growth Solutions
US$10.00-30.00
100 Square Meters(MOQ)
Agricultural Multi-Span PC Greenhouse Galvanized Steel High Transmittance for Tomato Cultivation
US$22.00-33.00
500 Square Meters(MOQ)
Advanced Venlo Greenhouse Design for Optimal Plant Growth
US$70.92-80.26
500 Square Meters(MOQ)
Premium UV-Resistant Herbal Growth Greenhouse for Optimal Plant Health
US$10.00-30.00
100 Square Meters(MOQ)
Agricultural Multi-Span Galvanized Steel Frame Polycarbonate Greenhouse for Hydroponic Vegetable Planting
US$10.00-30.00
100 Square Meters(MOQ)
Heavy-Duty Polycarbonate Greenhouse with Galvanized Steel Structure for Commercial Agriculture
US$15.00-25.00
500 Square Meters(MOQ)



















