Last Saturday, two Indian customers visited our factory--Jia County Yihong Abrasives Co., Ltd. They are very professional, and asked some related questions about our products--calcined flap disc, and they had a general understanding of our manufacturer-- Yihong Abrasive, They had visited other factories before visiting our factory, and compared our flap disc with others on performance, they said our flap disc not only from apperance, but performance all are better than others.