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3commercial Greenhouse Manufacturer | Sainpoly

Why Choose Sainpoly
Built for 5,000m²+ Large Farms| 9850+ Projects · 80+ Countries |CE Certified | Smart Automation · Lower Costs 
Extreme Climate Risk Control
◎ -40℃ to 50℃ protection: Field-tested in 80+ countries
◎ All-weather resilience: Built for harsh deserts, cold & typhoons
Direct Cost & High ROI
◎ 32,000㎡ factory & 90% in-house: Zero middleman markup
◎ 200 hectares capacity: Maximized ROI for large budgets
Tailored for 5,000㎡+ Scale
◎ Mega-farm solutions: Custom-built for 5,000㎡+ commercial projects
◎ BIM prefabrication: 25+ years of high-precision engineering
Hassle-Free Turnkey Delivery
◎ 9,850+ global projects: End-to-end design to on-site installation
◎ 24/7 expert support: Complete lifecycle technical backing
Success projects

Success Stories from 80+ Countries

As a leading commercial greenhouse manufacturer, we have been deeply involved in the greenhouse industry for 25 years, with projects covering 80+countries across six continents including Europe, America, the Middle East, Central Asia, Southeast Asia, and Africa. 
9850+
Partners
We pride ourselves on the trust and satisfaction of our clients.
10 Hectare Venlo-type Glass Greenhouse Tomato Cultivation Project in Mongolia
◎ Withstands -40°C to -42°C winters
◎ Dual-redundant heating & zero frost risk
◎ Passed strict government compliance reviews
Romania 6,000㎡ Multi-Span PC Sheet Smart Greenhouse Project Case
◎ Withstands extreme summer and winter climates
◎ 3-day on-site expert system debugging
◎ BIM modular prefabrication for fast delivery
1 Hectare Multi-Span PC Sheet Greenhouse Project In The United States
◎ Withstands strict California wind & seismic codes
◎ Cross-coupled automated environmental control
◎ Optimized for organic leafy green yields
PC Sheet Aquaponics Greenhouse Project In The Philippines
◎ Typhoon-resistant PC sheet roof
◎ Integrated fish-vegetable closed-loop system
◎ Independent zone ventilation & multi-pipeline design
7,000㎡ Sungei Tengah Venlo Greenhouse Project In Singapore
◎ Optimized for tropical high-temp & high-humidity
◎ Advanced natural ventilation & cooling system
◎ High-transmittance glass for year-round leafy gr
Film-Connected Greenhouse Project In Riyadh, Saudi Arabia
◎ Extreme desert heat & solar radiation resistance
◎ Advanced evaporative cooling for arid climates
◎ Stable local fresh produce supply chain
10,368㎡ Multi-Span Film Greenhouse Project In Uzbekistan
◎ Withstands continental extreme seasonal climate
◎ High-efficiency film covering & light transmission
◎ Reliable structure for local wind & snow loads
Rigid Film Greenhouse Construction Project In Korea
◎ High-durability rigid film cladding
◎ Optimized structure for local wind & snow loads
◎ Cost-effective year-round cultivation
Tailored Customization Solutions For Global Mega-Farms & Commercial Growers
◎ 5,000㎡+ Large-Scale Engineering
◎ Climate-Adaptive Structural Design
◎ Source-Direct Cost Optimization
Product

Sainpoly Greenhouse Product Series

As a commercial greenhouse manufacturer, we offer a full range of commercial greenhouses and complete sets of supporting equipment, suitable for greenhouse cultivation of tomatoes, lettuce, seedlings, cucumbers, flowers, and medical marijuana, among other diverse scenarios, to meet the planting needs of different climate zones around the world.

Semi-enclosed Greenhouse
Multi Span Greenhouse
Venlo greenhouse
Gothic greenhouse
Hydroponic greenhouse
Semi-enclosed greenhouse
Sainpoly offers you advanced semi-enclosed greenhouse technology. Through active air circulation, it reduces energy consumption, maintains a uniform environment, and significantly boosts your crop yield and quality.
Multi Span Greenhouse
We have specially designed polyhouse greenhouses for large-scale commercial cultivation, helping you maximize space utilization and achieve high-quality production with cost-effective customized environmental control systems.
venlo greenhouse
The Venlo greenhouse we designed has an excellent light transmission rate and precise environmental control. It provides a stable and optimal growing environment for your high-value crops throughout the year, helping you harvest high-quality agricultural products of consistent quality.
Gothic greenhouse
We adopt the Gothic pointed roof structure, which has strong wind and snow resistance. We provide you with an economical, practical, sturdy and durable greenhouse solution suitable for various climates and medium-large farms.
Hydroponic greenhouse
We integrate NFT, DWC and vertical hydroponic systems into the greenhouse design, enabling you to achieve soilless cultivation with higher yields, lower water consumption and cleaner production.
Greenhouse application solution

Commercial Greenhouse Application Solutions Suitable For Various Growth Environments

Vegetable greenhouse cultivation
Resolve restrictions on open field planting and achieve year-round large-scale vegetable cultivation
Multi span film/glass greenhouse, ensuring supply chain stability
Fruit greenhouse cultivation
Implement off-season planting, improve fruit sugar content and appearance, and reduce transportation losses
Wenluo greenhouse precise environmental control greenhouse, achieving off-season planting
Horticultural greenhouse planting of flowers
Solve the pain points of difficult regulation of flower flowering period, high requirements for appearance, and frequent occurrence of pests and diseases
Customized Wenluo/PC board greenhouse, flowering period control system, precise control of market launch time
Seedling/Nursery Greenhouse Planting
Solve the pain points of low survival rate, long growth cycle, and rapid disease transmission in traditional seedling cultivation
Specialized seedling greenhouse combined with seedbed system to shorten the cycle
Greenhouse cultivation of medicinal/high-value crops
Solve problems such as extreme environmental requirements, substandard active ingredients, and high certification thresholds
Research and development of scientific research grade Wenluo glass greenhouse, with a full traceability system that meets GAP/GMP certification
Hydroponic greenhouse cultivation
Solve the problems of traditional soil cultivation water resource waste, soil pollution, and low space utilization efficiency
Equipped with NFT/DWC hydroponic system and vertical planting scheme to achieve soilless green planting
Integrated fish and vegetable symbiotic planting
Ecological balance is difficult to control, water quality deteriorates rapidly, and the technical threshold is high
Customized circular hydroponic system and water purification equipment to achieve ecological symbiosis between fish and vegetables
Extreme climate greenhouse cultivation
Solve the pain points of difficult planting and high cost in high temperature/cold/windy/desert areas
Exclusive high-temperature/snow/wind resistant greenhouse design, achieving stable planting in harsh environments
turnkey service
One-stop Full-cycle Service, Escort Your Commercial Greenhouse Project
1
  Customized Design
With a 18-year industry experience design team, we conduct on-site surveys and, based on climate data analysis, provide a comprehensive customized solution including 3D modeling / construction drawings / planting planning, tailored to local planting needs.
2
  Precision manufacturing
Standardized intelligent production lines, robot welding / laser cutting, three-inspection quality control system, CE certified quality, ensuring products meet the import standards of the European Union, the Middle East, Central Asia and other overseas markets.
3
  Global Installation Services
Modular installation design, accompanied by detailed manuals and video guidance to support your local team in quick and independent installation. Professional construction teams can also be dispatched for overseas projects to ensure efficient implementation and shorten the construction period.
4
  Lifetime after-sales guarantee
We offer a one-year warranty and lifetime after-sales service. Our multilingual team is available 24/7 and responds promptly. Through remote equipment debugging and fault detection, we will promptly solve all kinds of problems you encounter during the planting and operation process.
5
  Agricultural consulting and operation hosting
Provide professional guidance on planting planning, water and fertilizer management, environmental control strategies, etc. For clients who wish to operate with light assets, we also provide comprehensive operational custody services - our team is responsible for the daily management of the greenhouse, ensuring optimal growth conditions and maximizing output.
who we are
Global Commercial Greenhouse Solution Provider
Since 1997, Sainpoly has grown from a greenhouse parts supplier to a leading manufacturer of commercial greenhouse systems. Based on a 32000 square meter production base and over 80 countries' project experience, we focus on providing efficient, durable, and cost-effective greenhouse solutions for professional growers and agricultural enterprises worldwide.
Industry Experience
Manufacturing Center
Exporting countries
Self-produced rate
Greenhouse materials
Powerful supply chain
We have established long-term strategic partnerships with leading global suppliers such as Follett, Covestro, and Pruva to ensure that every core component meets the highest quality standards.
A highly cohesive team
We have 15+independently developed utility model patents, integrated a professional team of over 60 people and a multilingual overseas service network. We have completed large-scale greenhouse projects in 80+countries, ensuring efficient execution and stable production of each project.
90% internal production
We are equipped with advanced equipment such as robot welding, laser cutting, and automatic stamping to achieve micrometer level machining accuracy. Strictly implement the ISO quality management system, cooperate with CE certification, and ensure zero defects in factory products.
Sustainable development
We work hand in hand with our clients to develop greenhouse systems that can withstand the test of time. Research and development focus on reducing energy consumption, optimizing resources, and meeting the constantly changing needs of growers. What we are building together is not only a greenhouse, but also a sustainable agricultural future.
Why Choose Sainpoly

With a 32,000㎡ facility and 25 years of experience, we provide complete, factory-direct greenhouse solutions. From bespoke design and precision production to professional installation, we handle everything under one roof. Our systems are internationally certified, climate-proven, and built to ensure your maximum productivity in any environment worldwide.

In-house Manufacturing & Quality Control
With a 32,000 m² production base, 90% of our core products are self-manufactured. We adopt robotic welding, laser cutting, and micron-level precision processing, along with hot-dip galvanizing anti-corrosion treatment, ensuring a service life of over 15 years.
Full Certifications & Smooth Market Access
We hold CE certification, ISO 9001 quality management system certification, and 15 utility model patents. Our products meet import standards in the EU, Middle East, Central Asia and other regions, and we can provide support for customs clearance and acceptance.
Full-Chain Support & Reliable Project Delivery
We offer end-to-end services from customized design and precision manufacturing to installation guidance and after-sales support. Our engineers can be dispatched for on-site supervision, or we can provide guidance to enable your local team to carry out independent installation.
Deep research and development, leading technology
The design team is able to continuously iterate product solutions based on climate data and planting needs from different regions around the world. From accessory production to intelligent greenhouse systems, we provide our partners with validated and practical commercial greenhouse solutions.
Globalization experience, cross-cultural cooperation
25 years of industry experience, exporting products to over 80 countries, familiar with import standards and project execution processes in different regions, able to provide customs clearance documents and project support.
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.
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