Frequently Asked Questions

What should buyers check before purchasing an automatic duct production line?
Buyers should review duct size range, sheet thickness capacity, material compatibility, production speed, factory floor space, power requirements, automation level, operator training needs, spare parts availability, and after-sales support scope before confirming a duct production line.
What type of buyer is COORIG mainly suitable for?
COORIG duct fabrication machines are suitable for HVAC duct factories, sheet metal workshops, ventilation system manufacturers, construction contractors, industrial fabricators, and equipment distributors that need automated or semi-automated duct production equipment.
How can buyers confirm whether a duct production line fits their factory layout?
Buyers should provide workshop dimensions, material flow direction, expected daily output, duct size range, available power supply, and existing equipment layout. This helps determine whether a linear, U-shaped, mobile, or customized duct production line is more suitable.
What procurement information does the COORIG SDM-1500 page provide?
The SDM-1500 page lists an 80-1500 mm duct diameter range, 120-8000 mm tube length, 0.4-1.2 mm galvanized sheet thickness, 1-45 m/min processing speed, PLC control, and variable frequency speed regulation.
What parameters matter when selecting a spiral duct forming machine?
Important parameters include duct diameter range, tube length range, supported materials, sheet thickness, strip width, forming speed, cutting method, PLC control, machine footprint, and maintenance requirements.
What materials can COORIG spiral duct machines process?
COORIG spiral duct machines are designed for common HVAC duct materials such as galvanized sheet, stainless steel, and aluminum. Buyers should confirm the required material type, thickness range, and duct diameter before placing an order.
What information should buyers provide before requesting a quotation?
Buyers should provide the target duct type, size range, material type, sheet thickness, expected production capacity, workshop space, voltage standard, automation preference, destination country, and any special installation or training requirements.
Are you a manufacturer or trading company? Where is the company located?
We are a manufacturer specializing in sheet metal duct machines. Our company is based in Tianjin and Hubei, China.
How many employees do you have? What is your annual turnover?
We have 160 employees, including 20 dedicated to our R&D department. Our annual turnover is approximately 150 million yuan.
What types of machines can your company manufacture?
We manufacture full automatic duct line 5, laser cutting machines, damper line machines, Pittsburgh lock forming machines, flange machines, spiral tube former machines, and more.
How long have you been in the sheet metal duct machinery industry?
We have over 20 years of experience in this market.
Where are your main markets?
Our products are mainly sold in Asia, the Middle East, South Africa, South America, Europe, America, and Australia.
How many overseas agents or wholesalers do you have?
Currently, we work with around 5 international agents.
Can we request specific packaging methods?
Yes, we can follow the packaging method you specify.
Do you have a warehouse?
Yes, our warehouse is located at our factory in Hubei.
Can you provide quotations for custom products not shown on the website?
Yes, please send us your drawing or a reference picture, and we will quote accordingly.
Do your products support OEM customization?
Yes, we support OEM and can customize products to meet your requirements.
What is your MOQ?
The minimum order quantity is 1 piece.
Can I get a product catalog?
Yes, please contact our business manager and we will send the catalog directly to your email.
Are samples available free of charge?
In most cases, yes. We can provide free samples depending on the product type.
What is the mass production time and delivery time?
Typically 30 days, although it may vary depending on the product and production cycle.
What are your accepted payment terms?
We accept FOB, CIF, TT, or L/C.
What after-sales service do you offer?
We provide a 1-year warranty and global door-to-door after-sales service.

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