ABOUT US
3JF Electromechanical, rooted in the farmlands of Henan, began with the simple mission of “Making Farming Easier”. We deliver efficient plant protection machinery such as self-propelled sprayers and orchard sprayers to orchards and farms worldwide. Our promise is woven into our name: one room for family-like care, one for dedicated craftsmanship, and one for unwavering responsibility. Today, our solutions have expanded from the land to the sky and water, standing by farmers through every day of cultivation.
3JF STORY
The story of Three Rooms (3 JianFang) begins with the hard work our founder witnessed in the farmlands of Henan, China. Seeing farmers struggle under heavy sprayers, he set out with a simple goal: to make farming easier. His journey started in the three-room house where he grew up.
“Three Rooms”is more than our name—it is our promise:
one room for family (care),
one for work (dedication),
and one for responsibility (commitment).
Today, we are a trusted provider of efficient plant protection machinery for orchards and farmland. We turn our deep understanding of the land into reliable equipment that improves productivity and safety.
Rooted on the ground, we look to the future. We are expanding our solutions to the air and water, empowering global agriculture with smarter, multi‑dimensional tools.
From three rooms to land, sky, and water—we make every day in the field easier and more efficient.
Factory
From the core components of self-propelled sprayers to the final assembly, every step is completed in our standardized production workshop with full-process quality control, ensuring that every plant protection machine shipped worldwide delivers stable and reliable performance.








Certifications
Business License
Zhengzhou Sanjianfang Electromechanical Equipment Co., Ltd. holds a valid business license, with independent qualifications for the production and sales of agricultural machinery products. We strictly comply with various national laws and regulations, providing customers with compliant, professional and guaranteed products and services.
CE Marking
Our self-propelled pesticide sprayers and mini tillers have obtained EU CE certification. From core components to overall machine performance, all meet EU safety and quality standards, providing reliable plant protection and farming equipment for global farmers.
CCC Certified for Quality Assurance
Our agricultural machinery products have all passed the national 3C mandatory certification. From electrical safety to mechanical structure, they comply with national standards, escorting your safe operation and compliant use.
NEWS
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Correct Usage Methods of Self-Propelled Pesticide Sprayers
After selecting a suitable self-propelled pesticide sprayer for dwarf orchards, standardized use and operation can not only ensure the pesticide application effect and improve operation efficiency, but also effectively extend the service life of the equipment and reduce equipment maintenance costs. Combined with the actual operation scenarios of dwarf orchards such as jujube orchards and […]
Read MoreCore Selection Points of Self-Propelled Pesticide Sprayers for Dwarf Orchards
In the planting and management of dwarf orchards such as jujube orchards, kiwifruit orchards, and grape orchards, pesticide spraying is a core link in pest and disease control, which directly affects orchard yield and fruit quality. Dwarf orchards generally have the characteristics of narrow plant spacing and high fruit tree density, which puts forward higher […]
Read MoreSmall Agricultural Machinery Empowers Modern Agriculture: Pesticide Spraying Becomes Core of Efficiency Improvement
In the process of modern agricultural mechanization, small agricultural machinery has deeply penetrated the entire production chain including sowing, harvesting, and plant protection, thanks to its advantages of flexible adaptation and easy operation. Among these, the efficiency innovation in the pesticide spraying link is the most remarkable, becoming a key grasp for farmers to reduce […]
Read MoreSTAR PRODUCTS
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This ride-on orchard air-assisted sprayer allows the operator to control the machine while seated, eliminating the need to walk alongside it and greatly improving operational comfort and efficiency. Equipped with a powerful gasoline engine, it uses an efficient air-assisted system to atomize pesticides evenly, ensuring full coverage of fruit tree branches, leaves, and fruits for effective pest and disease control. Capable of covering 1.5 to 3 kilometers of operational belt per hour, it is an ideal choice for achieving efficient and precise plant protection in large orchards.
This ride-on orchard air-assisted sprayer allows the operator to control the machine while seated, eliminating the need to walk alongside it and greatly improving operational comfort and efficiency. Equipped with a powerful gasoline engine, it uses an efficient air-assisted system to atomize pesticides evenly, ensuring full coverage of fruit tree branches, leaves, and fruits for effective pest and disease control. Capable of covering 1.5 to 3 kilometers of operational belt per hour, it is an ideal choice for achieving efficient and precise plant protection in large orchards.
1. Hand-held fruit tree sprayer – Efficient pest control for your orchard, easy to hold and operate with one hand. 2. Lightweight design, perfect for spraying fruit trees of all sizes, from seedlings to mature trees. 3. Even spraying, no dead corners, effectively protect fruit trees and improve fruit quality.
This ride-on orchard air-assisted sprayer allows the operator to control the machine while seated, eliminating the need to walk alongside it and greatly improving operational comfort and efficiency. Equipped with a powerful gasoline engine, it uses an efficient air-assisted system to atomize pesticides evenly, ensuring full coverage of fruit tree branches, leaves, and fruits for effective pest and disease control. Capable of covering 1.5 to 3 kilometers of operational belt per hour, it is an ideal choice for achieving efficient and precise plant protection in large orchards.



