Features: \r\n1) size: 10 ~ 250mm \r\n2) series: 51100, 51200, 51300, 51400, 52200, 52300, 52400, 2900, inch & non-standard\r\n\r\n--the superior quality of our products has been proved by all of our overseas customers. \r\n\r\n---small quantity orders are also welcomed. please send your request to us.