Recently, Luoyang LYC Bearing Corp., one of the biggest bearing company, visited our company. We negotiated about suppling wind mill bearing used 44.45 mm (1-3/4") & 50.8 mm (2") chrome steel balls. And Luoyang LYC Bearing Corp. tested our G40 chrome steel balls. The inspect result shows surface roughness of G40 44.45 mm & 50.8 mm chrome steel balls has reached G20, other requirements of G40 are also satisfied. Right now, our company is preparing the details of Luoyang LYC Bearing certified supplier.