About Haipai

HeFei Duojia Agricultural Technology Co., Ltd. is a China-based manufacturer specializing in intelligent agricultural equipment and precision fertilizer and pesticide application technologies.

Established in 2012, Duojia focuses on the development, manufacturing, and commercialization of equipment and core components for more efficient and precise agricultural operations. The company’s product range includes agricultural plant protection robots, intelligent fertilizer applicators, multifunctional field management machines, variable-rate spray nozzles, anti-drift air curtain systems, intelligent spraying control systems, steering systems, automatic transmissions, and other agricultural machinery components.

With dedicated R&D and design centers, Duojia has developed capabilities covering precision application, intelligent control, agricultural machinery design, spraying technology, and key equipment components. The company and its subsidiaries have applied for more than 230 national patents, including over 120 patents held by HeFei Duojia.

Duojia also works with universities and research institutions on agricultural machinery and precision application technology. Its equipment and technologies have been tested and demonstrated in agricultural applications in different regions of China, including Anhui and Xinjiang.

Today, Duojia serves as a technology-driven partner for agricultural machinery distributors, equipment manufacturers, agricultural service providers, and project developers seeking intelligent equipment and precision application solutions.

With experience in both complete agricultural machines and critical functional components, Duojia is capable of developing application-specific and customized equipment solutions for different crops, field conditions, and agricultural operations.

Competitive Advantage

1. Specialized in Precision Agricultural Application
Duojia focuses on precision fertilizer and pesticide application, developing technologies that help improve application accuracy, reduce unnecessary chemical use, and support more efficient agricultural operations.

2. 230+ National Patent Applications
Duojia and its subsidiaries have applied for more than 230 national patents, covering precision spraying, intelligent agricultural machinery, variable-rate application, control systems, and related technologies.
This extensive patent portfolio reflects the company’s long-term commitment to agricultural equipment R&D and technological innovation.

3. Complete Equipment & Core Component Development
Duojia develops both complete agricultural machines and key components, including plant protection robots, intelligent fertilizer applicators, variable-rate spray nozzles, anti-drift systems, spraying control systems, steering systems, and automatic transmissions.
This integrated R&D capability enables Duojia to optimize equipment design, control systems, and application performance as a complete solution.

4. Strong R&D and Research Partnerships
The company operates dedicated R&D and design centers and has established cooperation with universities and research institutions in agricultural machinery and precision application technology.
These partnerships support technology development, testing, field validation, and product commercialization.

5. Field-Tested Agricultural Technologies
Duojia’s equipment and technologies have undergone field demonstrations and practical applications in different agricultural regions, including Anhui and Xinjiang.
Experience across different crops, climates, and field conditions helps the company develop equipment for real-world agricultural applications.

6. Custom Equipment Development
Beyond standard products, Duojia can provide application-specific equipment and component development based on customer requirements.
Its engineering capabilities cover agricultural machinery structure, spraying systems, intelligent control, precision application, and related mechanical components, supporting customized solutions for different agricultural operations.

Business Type: Manufacturer
Quality Certificate: ISO9001, ISO14001
Main Export Markets: North America, Western Europe, Eastern Europe, South America, Southeast Asia, Eastern Asia, Mid East, Oceania, Africa
Payment Terms: T/T, L/C, D/A, D/P