It is an intergarted enterprise speciaizing in selling Bicycle parts and manufacturing the tires & tubes for two wheel industry.
size etrto 26×1 3/8 37-590 …
size etrto 700×35C 37-622 …
size etrto 24×1 3/8 37-540 …
size etrto 16×1.75 47-305 …
size etrto 20×1.75 47-406 …
size etrto 24×1.75 47-507 …