• Address: P.O.Box 10 Kuanping Road , Changchun, JiLin 130021 P.R.China
  • Tel:86-431-86887866
  •         86-431-8518 3861
  • Fax:86-431-86887877
  •         86-431-85183863
  • E-mail:atoptical@atoptical.com
metal coating Plano-convex Cylindrical lens Square windows Round windows Roof prisms equilateral prisms penta prism optical filter Zinc Selenide