表面品質Ra10nm

SJLLASER is the leading manufacturer in China for High-precision ball lens with completed material solutions such as Glass ball, Sapphire ball and Ruby,Crystal ,ZnSe ball lens, CaF2, Monocrystalline silicon, Germanium glass,ZnSe and Ryukyu infrared glass lens,Cubic zirconia ball etc. 
We produce premium quality product with competitive price and short lead times. We offer the product range from Ø0.4mm to Ø30mm. 
Quality standard：
Diameter tolerance +/-0.2um
Lot Diameter:   +/-0.4um
Roundness<0.25um,
Surface quality Ra10nm