After we gave sample Nachi Broach to K.Prayat Production Enginer, Now on process of testing 2 Models 1) Material M35+Dual GX Coating and 2) Material FAX38+ Non Coating. Anyway customer still need to test Material FAX38+DUAL GX COATING but these Material&Coating the price is higher than 2models and Nachi can not give a free sample. So customer have plan to buy material FAX38+DUAL GX COATING for test.