Try contacting other warehouses or warehouse companies to see if they have any old or used conveyors that they no longer are putting to use. If you want new, get in the phone book and look up companies. Do price quotes first then decide.
There are many companies that sale roller conveyors. Among them are Corner Stone AutoSys, HarryMajorMachine, ULine, SpecialtyEquipment, and Cisco-Eagle.
dcgraves.com seems to have plenty of information on roller conveyors. You can also check wikipedia for more information and advice on roller conveyors.
The best website to buy belt conveyors from is www.gilmorekramer.com. They have a wide selection of belt conveyors to best suit the needs of your new company.
Used roller conveyors can be purchased in Shanghaideren, which is a manufacturer and supplier of conveyors, where the best conveyor equipment is available.
you can find many great deals on quality roller conveyors at http://www.globalindustrial.com/c/material-handling/conveyors/roller-gravity and other sites such as http://www.hiroller.com/ and http://www.interroll.com/?wm=m(1526)sp(1500)
Roller bearing
Dematic pallet conveyors are convey systems that typically can support a heavy load and work efficiently in a variety of industries. Specifically Demantic is a company that manufactures pallet conveyors.
One can shop for a Roller conveyor online on several websites. One can shop for such items on websites such as Amazon, eBay, Conveyors, Grainger and IndiaMart.
The following companies manufacture material handling conveyors: Cemanet, Sriaariengg, Conveyor Handling Company, Thomasnet, Mheus, AGC Converyors, Shuttle Worth, Decon Conveyors, Kornylak.
Industrial belt conveyors can be sold to any automotive or electronic or industrial company that can take the item and either fix it up or sell it again.
You can find a company that makes a pneumatic conveyor online at stores such as Aerocon, Flexicon Corporation and Vac-U-Max. Compass Systems and Sales also is a place that makes and sells pneumatic conveyors.
As of my last update, the top exporters of roller conveyors in India include companies like K. S. D. Industries, Aegis Engineering Company, and Dhanvantri Engineers. Other notable exporters are Omtech Food Engineering, K. R. R. Engineering, and N. R. Engineers. Additionally, companies like S. R. Industries, D. M. Engineering, and S. A. Industries are recognized for their contributions to the market. To get the most current and detailed rankings, it's advisable to consult trade databases or industry reports.