Roller shutter door spring box

Roller shutter door spring box

1. Spring box are used for the Rolling Shutter Door, like Garage Door .

2. Made of general Q235 steel plate give to quality and durability.

3. Surface alvanized in silvery , which make the wheels perfectly resistant to fight against rust.

4. The existing exterior diamaters come in 200mm, 220mm,240mm,260mm.

5. Interior diameter: 42mm 43mm 48mm 50mm .60mm 76mm.

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Who are we?

What  is Roller shutter door spring box?

Roller shutter door spring box is widely used in the lock industry and shutter door application market.Use scenarios include offices, homes, hotels, shopping malls, and industries.As a manufacturer, we have strict control over the quality ofspring boxes.

Our product base has passed ISO9001 quality certification. Our machine can achieve 0.005mm high precision machining.

We have the most advanced automatic painting production line. We have passed CE certification and achieved 100% product inspection.

Product name
Roller shutter door spring box
Galvanized iron
Outer diameter
Inner diameter
Tag: Roller shutter door spring box


Q1: Are you a trading company or a manufacturer?
A1: We are a manufacturer and own our own trading company in Linyi, China.

Q2: What are your advantages?
A2: 20+ years of technical experience in this industry enable us to provide our customers whatever they want with competitive price and good quality.

Q3: How do you control quality?
A3: We have a quality control system to strictly check the quality problems and ensure that each batch of goods meets the
customer’s requirements.

Q4: What is the actual delivery date of the products?
A4: Generally speaking the delivery time is about 7~15 days. The lead time is determined according to the specific model you want.

Q5: How to get the most accurate quotation?
A5: Please send us you inquiry and inform the detailed requirements,We’ll offer you the price according to the packing strap specifications(length, width, thickness), color and way of usage.