Question 1

Are you a trading company or manufacturer?

Accepted Answer

We are a factory.

Question 2

How do I choose the right protective cover or drag chain model?

Accepted Answer

Selection depends on stroke length, load type, and environmental requirements. We provide a free selection tool and one-on-one engineering guidance.

Question 3

Which is better, a nylon bellows cover or a stainless steel bellows cover?

Accepted Answer

Nylon covers are lightweight and cost-effective for general environments. Stainless steel covers are high-temperature and impact-resistant for heavy-load or corrosive environments.

Question 4

Do you support non-standard customization? How long is the turnaround time?

Accepted Answer

Yes, we support full customization for dimensions, materials, and mounting. Standard time is 7-15 days; expedited orders take 3-5 days.

Question 5

What should I do if the bellows cover makes a grinding noise after installation?

Accepted Answer

Check for insufficient lubrication using silicone-based lubricant or contact technical support for remote debugging if there is an assembly deviation.

Question 6

Cables in the drag chain are frequently worn. How can I resolve this?

Accepted Answer

Check for overloading, add separators to prevent friction, or use highly flexible cables designed for this product.

Question 7

How often should the bellow cover be replaced?

Accepted Answer

Nylon covers last 3-5 years; stainless steel covers last 5-8 years. We offer a free lifespan assessment service.

Question 8

Is it in stock? What is the delivery time?

Accepted Answer

If in stock, delivery is 5-10 days. If not in stock, it takes 15-20 days depending on quantity.

Question 9

How do I resolve product quality issues?

Accepted Answer

Send photos/videos to our customer service email. We provide a solution within 24 hours, including replacement, return, or on-site service.

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