Our roller, zebra, and Shangri-La shade systems enable hovering at any position, offering an unmatched user experience. The design of our roller shades’ spring system guarantees smooth functionality without any bouncing or sliding.
Product Features:
Our products are highly regarded for their compact, space-saving design and efficient performance, ensuring durability and reliability. The wireless operation creates a safe environment for children and pets at home. The device allows for hovering in any position, ensuring smooth and effortless use. Additionally, our products are energy-efficient, environmentally friendly, and operate quietly.
Picture 1: This is a variable force springs that has significant advantages. It is different from the wire springs and it can be applied to the cordless roller blinds, it can help your roller blinds and other blinds in a stable condition and long life span. Firstly, their adjustability allows for flexible tuning of the spring’s force according to different application needs, adapting to various working conditions. Secondly, their compact design effectively saves installation space, enhancing the overall efficiency of the system. Additionally, variable force springs can efficiently store and release energy, reducing wear on components and extending service life. Widely used in industries such as automotive, aerospace, and medical, variable force springs not only improve the stability and response speed of mechanical systems but also excel in reducing maintenance costs, making them an indispensable component in modern engineering design.
Picture 3: We will assemble the spring into the spring box, and you can see there are some spring boxes parts in the picture 4.
Picture 5: This is a final spring mechanism for your cordless blinds, you can simply install to your blinds, what a simple, good quality and compact design.





Specification:
| Product name | Cordless Manual Spring Roller Blinds |
| Material | POM+zinc alloy die-castings+301 stainless steel spring |
| Size | 38mm |
| Installation Type | Built-in |
| Style | semi auto spring roller blind |
| Customized Service | Yes |
| Place of origin | Xiamen, China |
| Applicable curtain | roller shades, blinds, zebra blinds, honeycomb blinds, etc |


| 38 pipe system parameters | |||
| Series | Spring Model | Maximum Tension | Itinerary reference |
| Roller Blinds A Series | 38RB-09-350 | 350 | 112″-2800mm |
| 38RB-10-500 | 500 | 102″-2600mm | |
| 38RB-11-600 | 600 | 96″-2400mm | |
| 38RB-12-700 | 700 | 96″-2400mm | |
| Zebra Blinds B Series | 38ZB-07-350 | 250 | 96″-2400mm |
| 38ZB-08-350 | 350 | 84″-2130mm | |
| 38ZB-09-400 | 400 | 72″-1830mm | |
| 38ZB-10-450 | 450 | 64″-1620mm | |
| 38ZB-11-550 | 550 | 60″-1524mm | |
| 38ZB-12-700 | 700 | 54″-1370mm | |
Spring Lifting Systems for Cordless Roman Shades, Honeycomb Blinds, Silhouette Sheer Shades, Pleated Shades
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Spring Mechanism & Spring Lifting System
For Cordless Roman Shades -

Cordless Lift System Blinds
For Pleated Shades -

Blind Spring Rods
For Window Blinds
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Blinds Spring Motor Manufacturing
For Faux Wood Blinds -

Spring Parts of Window Blinds
For Wireless Cellular Blinds -

Spring Loaded Shades System
For No Cord Bamboo Roman Shades
Discover the Advantages of Our Roller Blinds Spring Kit
When it comes to enhancing the functionality and aesthetics of your roller blinds, our innovative roller blinds spring kit stands out as a superior choice. Designed specifically for cordless roller shades, our spring system offers a range of benefits that traditional corded systems simply cannot match.
Why Choose Our Spring System?
1. Safety and Convenience: One of the primary advantages of using our spring mechanism in cordless roller blinds is the enhanced safety it provides. Without cords, there are no hazards for children or pets, making it an ideal option for homes and businesses alike. The ease of operation allows users to effortlessly raise or lower their blinds with a simple touch, ensuring a seamless experience.
2. Advanced Spring Technology: Our roller blinds spring kit is crafted using variable force springs, which provide a unique advantage over traditional linear springs found in most products on the market. This technology allows for smoother operation and better control over the lifting mechanism, ensuring that your blinds move effortlessly and reliably. The variable force spring adapts to different weights and sizes of fabric, providing consistent performance regardless of the blind’s dimensions.
3. Durability and Longevity: The materials used in our spring system are engineered for durability. Unlike conventional springs that may wear out over time, our variable force springs are designed to withstand repeated use without losing their tension or effectiveness. This means that your roller blinds will maintain their functionality and appearance for years to come, reducing the need for replacements and repairs.
4. Easy Installation: Our roller blinds spring kit is designed with the user in mind. The installation process is straightforward, allowing manufacturers and DIY enthusiasts to easily integrate the system into their roller blinds. This ease of installation not only saves time but also reduces labor costs, making it an economical choice for suppliers and manufacturers.
5. Versatile Applications: Whether you are manufacturing roller blinds for residential or commercial use, our spring system is adaptable to various applications. Its compatibility with different fabric types and sizes makes it an excellent choice for a wide range of projects, from modern interiors to traditional designs.
6. Eco-Friendly Option: By choosing our cordless roller blinds with a spring mechanism, you are also making a more environmentally friendly choice. The absence of cords reduces waste, and the durable materials used in our springs contribute to a longer product lifespan, minimizing the ecological footprint.
In conclusion, our roller blinds spring kit offers unmatched advantages for roller shade manufacturers looking to enhance their product offerings. With a focus on safety, advanced technology, durability, easy installation, and versatility, our spring system is the ideal solution for modern window treatments. Choose our innovative spring mechanism for your cordless roller blinds and experience the difference in quality and performance.
Company Profile:
Xiamen Dosron Technology Co., Ltd was founded in 2014, is located in the beautiful coastal city of Xiamen. It is a high-tech enterprise specializing in the research, development, manufacturing and sales of intelligent motors and control systems for windows. We have a team of 126 professionals dedicated to providing customers with innovative, efficient and reliable intelligent curtain lifting system solutions. Our main products include roller blinds motorized motor, cordless springs roller shades system, intelligent control switches and remote controls. These products, with their intelligent and IoT characteristics, meet the pursuit of convenience, safety and comfort in modern homes. Through continuous technological innovation and R&D investment, our products have been widely used in smart homes, commercial buildings and public facilities. Xiamen Dosron Technology Co., Ltd. has a wide range of customers, including curtain manufacturers, wholesalers and smart home brands. Our products and solutions have won recognition in domestic and foreign markets, and have established solid cooperative relationships with many well-known companies, including DRAPER, ALDI, Walmart, Target and National Geographic. We will promote the development of the smart home industry through continuous technological innovation and excellent customer service, and create a more intelligent and comfortable living experience for users. Friends from all walks of life are welcome to visit our company for guidance. We look forward to working with you to create a better future.


Certification:

Frequently Asked Questions (FAQ):
Q: Are you a manufacturer or a trading company?
A: We are a factory that produces motorized tubular motors and manual cordless spring components for various types of roller shades, zebra blinds, cellular shades, roman shades, and Shangri-la blinds, etc.
Q: How can you guarantee product quality?
A: We implement strict quality control at every production stage, including Incoming Quality Control (IQC), Processing Quality Control (PQC), and Outgoing Quality Control (OQC).
Q: Why should we choose you over other suppliers?
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