Hello. This is Steeltopia, a global steel import and export store.

The AISI 303 (SUS303, DIN X10) round bars supplied are products from TISCO.

It's from the No. 1 stainless steel company in China, and its annual production is known to be 4.5 million tons. 

The imported round bars come in sizes of 255, 38, and 80 phi.