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Full range of commercial greenhouse solutions - designed for your planting tasks

From multi-span greenhouses to semi enclosed greenhouses, from film to glass, Sainpoly provides cost-effective, customizable, and year-round stable one-stop greenhouse solutions for commercial growers worldwide.

Greenhouse product category

Sainpoly has been deeply involved in the greenhouse industry for over 25 years, growing from a parts factory to a commercial greenhouse system provider that integrates research and development, manufacturing, customization, installation, and after-sales service. We are committed to helping customers achieve year-round planting, improve profitability, and provide cost-effective greenhouse solutions.


We have a production base of 32000 square meters, with a 90% self-produced rate. Our products are exported to more than 80 countries and have obtained CE certification and 15 patents. Whether you are a large commercial farm, government agricultural project, or overseas distributor, we can provide you with greenhouse solutions that are adapted to the climate and crops. From single temperature chambers to connected clusters, from thin films to glass, from soil cultivation to hydroponics, Sainpoly utilizes full cycle services to help you achieve high-yield, efficient, and high return commercial planting.

Multi-Span greenhouse

The Sainpoly Multi-Span greenhouse is designed specifically for large-scale commercial planting. Modular structure maximizes land use and provides cost-effective scalability. You can customize the span, eave height, covering material (film or PC board), and choose environmental control systems such as sunshade, ventilation, heating, etc. Suitable for stable year-round production of vegetables, flowers, seedlings, etc., while controlling investment costs.

Venlo greenhouse

The Sainpoly Venlo greenhouse is the preferred choice for high-value crops and cold regions. Adopting double-layer insulated tempered glass and aluminum alloy frame, the light transmittance exceeds 91% and the insulation performance is excellent. Integrated insulation curtain and heating interface, can maintain a temperature of 10℃ or above indoors at night at -35 ℃ outdoors. Suitable for tomatoes, colored peppers, high-end flowers, etc., achieving stable production and high quality throughout the year.

Hydroponic greenhouse

The Sainpoly hydroponic greenhouse integrates advanced soilless cultivation systems such as NFT, DWC, and vertical towers. Compared to traditional soil cultivation, it saves 80% water and increases planting density by three times. Controlled environment to eliminate soil borne diseases and achieve annual production of lettuce, vanilla, strawberries, and other crops. We provide a complete system design from nutrient solution management to automatic irrigation, helping you achieve cleaner and higher yields.

Gothic greenhouse

The Sainpoly Gothic greenhouse adopts a pointed arch design, which naturally slides snow and has strong wind resistance, making it particularly suitable for snowy or windy areas. The structure is economical and practical, with hot-dip galvanized steel frame and single-layer or double-layer film coverage. Suitable for medium-sized farms, seasonal vegetable cultivation, or berry production. Modular components are easy to assemble, balancing durability and cost-effectiveness.

Semi enclosed greenhouse

The semi enclosed greenhouse of Sainpoly is an advanced choice for environmental control technology. Through active air circulation and positive pressure system, energy consumption is reduced by 30%, while maintaining uniform distribution of temperature, humidity, and CO ₂ throughout the planting area. This design reduces disease pressure and significantly improves the yield and quality of high-value crops such as tomatoes and cucumbers. Suitable for investors who pursue the highest investment return and top quality.

Popular commercial greenhouse products

Sainpoly's Semi-closed greenhouse for agricultural product cultivation
The commercial semi enclosed greenhouse professionally built by Sainpoly adopts a world-class environmental control system architecture, which is not afraid of any extreme weather and achieves stable production of vegetables such as tomatoes, peppers, cucumbers, etc. throughout the year. Source factory, supports full-size customization, and provides turnkey services.
The Gothic greenhouse originally used for agricultural product cultivation in the factory is equipped with multiple intelligent systems
The Sainpoly Gothic greenhouse features a pointed roof ridge and steep slope roof, which helps snow to slide off on its own, thereby reducing the risk of structural loads. At the same time, its interior space is spacious enough to support stable production of various vegetable crops throughout the year.
Sainpoly's Gothic greenhouse directly supplied by the Shengbaoli factory is equipped with various intelligent environmental control systems
The Sainpoly Gothic greenhouse adopts a pointed roof ridge and steep slope roof design, which facilitates the sliding of snow and reduces the risk of structural load. The interior space of the greenhouse is abundant, supporting the year-round stable planting of various vegetable crops.
Sainpoly's Gothic greenhouse for agricultural product cultivation
The Sainpoly Gothic greenhouse adopts a pointed roof ridge and steep slope roof design, which facilitates the sliding of snow and reduces the risk of structural load. The interior space of the greenhouse is abundant, supporting the year-round stable planting of various vegetable crops.
Sainpoly's commercial Semi-closed greenhouse  is suitable for large-scale planting under various harsh weather conditions
Sainpoly semi-closed greenhouse, world-class environmental control architecture, can withstand various harsh weather conditions and ensure the continuous production of diverse crops such as tomatoes, peppers, cucumbers, leafy vegetables, strawberries, and herbs throughout the year. The source factory supports customization of any specifications, delivering the entire process from design to production, helping commercial growers achieve stable and increased income.
Sainpoly's Semi-closed commercial greenhouse is designed specifically for crop cultivation in extreme climate zones
The Sainpoly commercial semi-closed greenhouse is equipped with a world-class environmental control system architecture. Through positive pressure environmental control and airflow regulation technology, it can easily cope with extreme weather conditions such as severe cold, heavy snow, strong winds, and high temperatures. Tomatoes, colored peppers, cucumbers and other vegetables achieve annual stable production. The source factory supports full-size personalized customization and provides one-stop turnkey services for design, production, installation, and commissioning.
Global leading supplier manufacturing commercial polycarbonate greenhouse with built-in fully automated planting system for agricultural product cultivation
The Sainpoly Polycarbonate greenhouse is covered with polycarbonate hollow panels, which have strong impact resistance, excellent transparency and insulation performance, and are not afraid of harsh weather, achieving stable production of high-value vegetables throughout the year. We are the source factory, supports full-size customization, and comes with turnkey services.
Factory manufacturing of commercial polycarbonate greenhouses for vegetable cultivation
The Sainpoly Polycarbonate greenhouse is covered with polycarbonate hollow panels, which have strong impact resistance, excellent transparency and insulation performance, and are not afraid of harsh weather, achieving stable production of high-value vegetables throughout the year. Source factory, supports full-size customization, and comes with turnkey services.
Sainpoly's Polycarbonate greenhouse for agricultural product cultivation
The Sainpoly Polycarbonate greenhouse is covered with polycarbonate hollow panels, which have strong impact resistance, excellent transparency and insulation performance, and can withstand harsh weather, achieving stable production of high-value vegetables throughout the year. We are the source factory, supports full-size customization, and comes with turnkey services.
Sainpoly's intelligent Multi-span film greenhouse for agricultural product cultivation
Sainpoly creates the most advanced Multi-span film greenhouse for global agricultural planting, achieving low cost and high return, allowing you to double the yield of the crops you want to grow. Source factory, supports full size and full system customization, and provides turnkey project services.
How to choose a suitable commercial greenhouse?

Different types of greenhouses have their own emphasis on insulation, transparency, disaster resistance, cost, and other aspects. The following table helps you quickly determine which greenhouse is most suitable for your project.

Greenhouse type Insulation performance Light transmittance Wind and snow resistance Applicable climate Cost level Major crops
Multi-span greenhouse Medium (with added insulation curtain) 85%-90% Wind resistance level 10 snow load of 0.5kN/㎡ Temperate/Subtropical ★★☆ Vegetables, flowers, lettuce and seedlings
Venlo greenhouse Excellent (double-layer glass+insulation curtain) ≥91% Wind resistance level 12, snow load 0.8-1.0kN/㎡ Extreme Heat Zones/Cold Zone ★★★★ Tomatoes, colored peppers, high-value crops, lettuce
Hydroponic greenhouse According to the covering material According to the covering material Based on the structure All climate (indoor) ★★★ Leafy vegetables, herbs, strawberries, lettuce
Gothic greenhouse Medium (double-layer film can be added) 85%-90% Wind resistance level 10, snow load of 0.5kN/㎡ Snowy/windy areas ★☆ Vegetables, berries, seasonal planting, lettuce
Semi enclosed greenhouse Excellent (active circulation+insulation) ≥90% resistance level 12, snow load 0.8kN/㎡ Extremely hot/extremely cold ★★★★☆ Tomatoes, cucumbers, high-end flowers, lettuce

Note: The more cost levels ★, the higher the investment, but the output and return cycles are also different. All parameters can be customized.

Application Industry

Sainpoly Greenhouse has been successfully applied in various planting fields. No matter what crops you grow or what climate you are in, we have mature solutions. Click on each scenario to view detailed cases and solutions.

Vegetable cultivation
Annual production of tomatoes, lettuce, colored peppers, cucumbers, etc., to ensure stable supply to the market.
Fruit cultivation
Providing a precise environment for blueberries, strawberries and other berries, improving sugar content and product yield.
Flower gardening
Precise control of flowering period and appearance to meet high-end flower needs.
Seedling cultivation
In a constant temperature and humidity environment, the seedling cultivation cycle is shortened and the survival rate is improved.
Medicinal/high-value crops
Meet GAP certification to ensure effective ingredient content.
Hydroponic planting
Soil free and water-saving, resulting in a significant increase in production,vertical planting, ideal choice for urban agriculture.→ View the plan
Fish vegetable symbiosis
Ecological cycle of fish, vegetables, and microorganisms, achieving dual harvest with one water source.
Extreme climate planting
Resistant to typhoons, severe cold, drought, and even harsh environments for efficient planting

Greenhouse system supporting services

In addition to the main structure of the greenhouse, Sainpoly also provides complete supporting system integration services. All systems can be purchased separately or integrated into greenhouse projects, achieving a one-stop upgrade from framework to smart farm.

Environmental Control System
Integrated irrigation and water fertilizer system
Sunshade and insulation system
Ventilation and cooling system
Supplementary lighting system
Seedling bed and planting rack system
Environmental Control System

The Sainpoly intelligent environmental control system automatically monitors and adjusts temperature, humidity, light intensity, and CO ₂ concentration. Sensors scattered throughout the greenhouse transmit data to the central PLC controller, which automatically triggers fans, heaters, sunshades, or CO ₂ generators. View environmental data and adjust parameters remotely through a mobile app. This system is the key to achieving stable production throughout the year and reducing labor costs.

Integrated irrigation and water fertilizer system

We provide drip irrigation, sprinkler irrigation, tidal irrigation systems, and integrate water and fertilizer integrated units. Accurately mix nutrient solutions according to different growth stages and deliver them to each crop. The system can recycle and disinfect the return water, reducing fertilizer waste by more than 30%. Suitable for soil cultivation and soilless cultivation.

Sunshade and insulation system

The Sainpoly sunshade system (internal/external, manual/electric) reduces excessive sunlight and heat in summer, protecting crops from burns. Thermal insulation curtains (made of aluminum foil or woven fabric) lock in heat at night, reducing heating costs by 40%. All screens are durable and UV resistant, and can be customized with different shading rates.

Ventilation and cooling system

We provide top opening window, side rolling film, fan wet curtain cooling system, high-pressure spray. The top and side windows provide natural ventilation. In hot climates, the fan wet curtain system can cool down by 8-12 ℃. High pressure spray reduces temperature and increases humidity, suitable for dry areas.

Supplementary lighting system

Sainpoly LED plant fill light provides full spectrum or specific frequency bands, extending light exposure time and promoting photosynthesis. Suitable for high-value crops such as roses, tomatoes, and medicinal plants. We design lighting schemes based on crop demand and greenhouse structure to ensure uniform lighting and energy efficiency.

Seedling bed and planting rack system

Sainpoly provides fixed seedbeds, mobile seedbeds, rolling benches, and vertical planting towers. Compared to fixed seedbeds, mobile seedbeds can increase space utilization by 80%. Vertical towers are suitable for leafy vegetables and strawberries in hydroponic systems. All seedbeds are made of hot-dip galvanized steel with adjustable height.

One stop commercial greenhouse system service support

Sainpoly provides a full chain service from design to lifelong companionship. We are not only manufacturers, but also your long-term technical partners.

Provide planting objectives, site information, climate data, and budget
3D rendering, CAD drawings, load calculation, detailed quotation
Factory Scheduling, Three Inspection Product Control, CE Certification, Shipping
On-site guidance/turnkey installation, 7 × 24 technical support, regular follow-up visits
re you ready to start your greenhouse project?

Tell us your crops, climate, and scale, and we will provide you with a customized solution within 24 hours.

Our Advantages

Choose Saiinpoly to ensure the successful implementation and sustained profitability of your greenhouse project.

1
25+ years of industry experience
Since 1997, we have been deeply involved in the greenhouse industry and exported to over 80 countries.
2
Factory direct supply, 90% self production rate
32000 square meters production base, robot welding+laser cutting, controllable quality, and better cost.
3
CE certification+15 patents
The product complies with import standards of the European Union, the Middle East, Central Asia, etc., and has independent technology.
4
Full cycle service
From design, manufacturing, installation to after-sales, lifetime technical support, 7 × 24 response.
5
Climate customization capability
Providing exclusive solutions for extreme climates (high temperature, severe cold, strong winds, drought)
6
Dealer Empowerment System
Exclusive Regional Protection, Price Support, Marketing Materials, Technical Training, Win Win Global Market.
frequently asked questions
1
Q: What types of greenhouses do you mainly produce?
We produce multi-span film greenhouses, venlo glass greenhouses, PC board greenhouses, hydroponic greenhouses, Gothic greenhouses, semi enclosed greenhouses, and various special customized greenhouses.
2
Q: How to choose a greenhouse that is suitable for my climate?
You provide local temperature, lighting, and wind and snow data, and our design team will recommend suitable structures and covering materials, and provide 3D solutions.
3
Q: How long is the lifespan of a greenhouse?
The design life of the main hot-dip galvanized steel frame is 15-20 years, and the covering material (glass/PC board/film) ranges from 5-15 years, both of which can be replaced separately.
4
Q: Do you provide installation services?
Provide. You can choose to receive on-site technical guidance (with headquarters engineers leading your team for construction) or complete turnkey installation.
5
Q: What is the minimum order area?
There is no hard lower limit, but it is recommended to be over 3000 square meters for better cost-effectiveness. Sample projects can be negotiated.
6
Q: How long is the typical return on investment cycle for a greenhouse?
Taking large-scale vegetable cultivation as an example, the investment can usually be recovered within 1-4 years. We can provide ROI cases for similar projects.
7
Q: Do your products have international certification?
Have CE certification ISO9001, 15 patents, products comply with import standards in regions such as the European Union, the Middle East, and Central Asia.
8
Q: Can I just purchase greenhouse materials and assemble them myself?
Okay. All components are pre processed, numbered and packaged, accompanied by installation drawings and videos, and support DIY assembly.
9
Q: What does after-sales service include?
One year warranty, lifetime technical support, 7 × 24 multilingual response, remote troubleshooting, fast parts supply from overseas warehouses, and free online training every year.
10
Q: How to become an overseas distributor of Sainpoly?
Submit intentions through the official website's dealer recruitment channel, sign an agreement after review, and enjoy exclusive regional protection, price support, training empowerment, and other benefits.
Contact us
Let’s Build Your Commercial  Greenhouse Together
Share your project details – we’ll provide a tailored solution and a clear roadmap to success.
Global Commercial Greenhouse Solution Provider
As a commercial greenhouse manufacturer, we focus on providing efficient, durable, and cost-effective greenhouse solutions for professional growers and agricultural enterprises worldwide.
Address: 
East Section of Paris Road, Qingzhou Economic Development Zone, Weifang City, Shandong Province
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