There is indeed a belt of alluvial tin ore ranging from Burma down to Indonesia.

FORBES: After Conflict Minerals Comes The Death Metal: Tin. And It's Apple's Fault Again.

David Cope, Chief Executive of Purfresh, strides past two dozen packers plucking Anjou pears off a conveyor belt at Diamond Fruit Growers in Hood River, Ore.

FORBES: Magazine Article

The company is rolling out a new self-serve sushi joint, Sushi Doraku, featuring a revolving conveyor belt, and working with new licensee Yoshida, a Portland, Ore.

FORBES: Business As Usual