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Semi-Closed Greenhouse​ Manufacturer

The Semi-closed Greenhouse by Sainpoly is a high-end facility agriculture solution that integrates efficient environmental control, energy conservation, and precise management. It strikes a balance between an open greenhouse and a fully enclosed plant factory, delivering both environmental stability and operational cost-effectiveness. By adopting intelligent fresh air ventilation, air circulation, temperature control, and integrated water and fertilizer management, it provides crops with a stable and comfortable growing environment, significantly improving yield and quality. As a semi-closed greenhouse​ manufacturer, Sainpoly provides one-stop services from solution design, manufacturing, installation, and commissioning to technical training, and can customize exclusive semi-enclosed greenhouse solutions based on local climate conditions, planting objectives, and budget.

All Semi-closed Greenhouse Products

(Adatta a colture speciali) Serra commerciale semi-chiusa a più campate con controllo ambientale ad alta sicurezza - Produttore diretto | SAINPOLY
Le serre semi-chiuse SAINPOLY sono progettate su misura per la coltivazione di colture speciali di alto valore. Dotate di sistema completo di filtrazione dell'aria in ingresso, protezione dagli insetti a pressione positiva e doppio controllo degli accessi, le strutture raggiungono gli standard di biosicurezza per la coltivazione di piante medicinali. L'arricchimento preciso di CO₂ e il controllo zonale di temperatura e umidità garantiscono una qualità costante del raccolto durante tutto l'anno. Fornite direttamente dalla fabbrica, offriamo un servizio completo, dalla progettazione conforme alle normative alla consegna del progetto.
Fornitore e produttore di serre commerciali semi-chiuse a controllo climatico di precisione per fiori di alta gamma - SAINPOLY (Sainpoly)
Le serre semi-chiuse SAINPOLY sono progettate su misura per la coltivazione di precisione di fiori di alta gamma in un ambiente a clima controllato. Grazie a una precisione di controllo della temperatura di ±0,5℃, alla gestione dell'umidità a fasi temporali e zone specifiche e all'arricchimento preciso di CO₂, la serra consente una programmazione accurata dell'induzione della fioritura per le Phalaenopsis e un controllo preciso dei tempi di fioritura per le rose recise. Offriamo la fornitura diretta dal produttore e un servizio completo che spazia dalla simulazione dell'ambiente luminoso alla regolazione del periodo di fioritura.
(Adatto a climi estremi) Serra commerciale multi-campata semi-chiusa con controllo climatico di precisione - Fornitura diretta dal produttore - SAINPOLY
La serra semi-chiusa SAINPOLY è stata sviluppata appositamente per la coltivazione di pomodori durante tutto l'anno in zone con climi estremi. La struttura di apertura e chiusura regolabile consente un controllo preciso di temperatura, umidità e anidride carbonica, riducendo il consumo energetico del 40%-60% rispetto alle serre completamente chiuse e aumentando l'efficienza di arricchimento di anidride carbonica del 30%-50%. Adotta un sistema di filtrazione a rete anti-insetti e un sistema di prevenzione degli insetti a pressione positiva. Forniamo direttamente dalla fabbrica e offriamo un servizio completo "chiavi in ​​mano".
Serra semichiusa di Sainpoly per la coltivazione di prodotti agricoli
La serra commerciale semi-chiusa, realizzata professionalmente da Sainpoly, adotta un sistema di controllo ambientale all'avanguardia, in grado di resistere a condizioni meteorologiche estreme e di garantire una produzione stabile di ortaggi come pomodori, peperoni, cetrioli, ecc. durante tutto l'anno. L'azienda produttrice offre la possibilità di personalizzazione completa e servizi chiavi in ​​mano.

Overall Advantages of Semi-Closed Greenhouses

As a semi-closed greenhouse​ manufacturer, the semi-closed greenhouse by Sainpoly features core advantages of high controllability, low energy consumption, and high yield. It is ideal for users pursuing stable production and high-quality crops, and can significantly improve planting benefits.

Temperature, humidity, CO₂ levels, and airflow are precisely and stably regulated, unaffected by adverse external weather conditions.
Compared with fully enclosed greenhouses, it consumes less energy and has a shorter investment payback period.
Even internal airflow eliminates local temperature differences, ensuring consistent crop growth and a high marketable rate.
Its strong sealing combined with a filtration system effectively blocks the invasion of pests and pathogens.
Stable operation throughout the year enables continuous cultivation and uninterrupted supply.
Intelligent linkage control reduces reliance on manual labor, making management easier.

Size and Supporting Parameters of Semi-Closed Greenhouses

Item Standard Specifications Optional Range
Span 8m/9.6m/12m 6m–16m
Bay 4m 3m–5m
Eave Height 4m/5m/6m 3.5m–7m
Ridge Height 5.8m/6.8m/7.8m 5m–9m
Length Customizable on demand 20m–300m
Cover Material Double-layer PO film/Hollow PC sheet /Glass Diffuse Light Covering Materials
Ventilation System Mechanical fresh air + Circulation fan + Top vent Variable-frequency fresh air system + Total heat recovery (THR) system
Shading System External shading + Internal thermal insulation shading External shading + Internal thermal insulation shading
Temperature Control System Cooling / heating fan+Hydronic heating Heat pump, air conditioning system, dehumidification system
Control System Intelligent semi-closed linkage control system Remote monitoring, data recording, automatic alarm
Irrigation System Integrated water and fertilizer system Drip irrigation, sprinkler irrigation, tidal irrigation

Applicable Crops

The semi-closed greenhouse provides a stable and precisely controlled environment, making it ideal for high-value-added crops with demanding growth requirements. It offers a wide range of adaptability and high production benefits.

High-end vegetables
Tomatoes, cucumbers, bell peppers, strawberries, lettuce and specialty leafy vegetables.
Premium flowers
Roses, lilies, phalaenopsis, cut flowers, and potted plants.
Nursery production
Grafted vegetable seedlings, tissue-cultured flower seedlings, and high-quality seedling propagation.
Other categories
Medicinal plants, specialty economic crops, and scientific research experimental planting.

Our Semi-Closed Greenhouse Manufacturer Customization Services

As a semi-closed greenhouse​ manufacturer, Sainpoly has a professional semi-closed greenhouse design and project team, providing full-process customization based on local site conditions, climate, and production goals:
1
  Structural customization
Optimize the structure and enclosure performance based on local wind, snow, and rainfall conditions.
2
  Environmental control customization
Customize intelligent systems such as fresh air, temperature control, dehumidification, and CO₂ enrichment.
3
  Supporting customization
Optional sunshade, irrigation, supplementary lighting, integrated water and fertilizer systems, and automated logistics equipment.
4
  Functional customization
Planning of planting areas, nursery areas, packaging areas, buffer zones, and equipment rooms.
5
  Service customization
Turnkey solutions, installation and commissioning, technical training, and year-round operation and maintenance support.
frequently asked questions
1
Q: What is the difference between a semi-closed greenhouse and a conventional greenhouse?
semi-closed greenhouse features superior enclosure performance, mechanical ventilation, and intelligent environmental control. It delivers a more stable environment, more rational energy consumption, and significantly better yield and quality compared to conventional greenhouses.
2
Q: Is the energy consumption of a semi-closed greenhouse high?
Compared with fully enclosed plant factories, semi-closed greenhouses consume less energy. Combined with fresh air and insulation systems, they deliver more economical operating costs.
3
Q: What regions is it suitable for?
It is adaptable to most regions worldwide, and especially suitable for areas with hot summers, cold winters, large day-night temperature differences, or high pest and disease pressure.
4
Q: Do you provide installation and technical guidance?
We provide professional installation, commissioning, and full-process planting technology training to ensure the stable operation of the system.
5
Q: How is the after-sales support?
We provide a 1-year free warranty, lifetime cost-effective maintenance services, and 24-hour after-sales response to ensure long-term stable operation.
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.
Fornitore globale di soluzioni per serre commerciali
In qualità di produttori di serre commerciali, ci concentriamo sulla fornitura di soluzioni efficienti, durevoli ed economiche per coltivatori professionisti e aziende agricole in tutto il mondo.
Indirizzo:
Tratto est di Paris Road, zona di sviluppo economico di Qingzhou, città di Weifang, provincia di Shandong
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