NTKJ Co., Ltd.
|Tel.:||+81 3 5916 0801|
|Fax:||+81 3 5916 0802|
|aspheric optics||S E||Edmund Optics, EKSMA OPTICS, G&H, Knight Optical, Shanghai Optics|
|Fresnel lenses||S E||Shanghai Optics|
|lenses||S E||Artifex Engineering, DPM Photonics, Edmund Optics, EKSMA OPTICS, Intrinsic Crystal Technology, Knight Optical, Shanghai Optics|
|plastic optics||S E||Knight Optical|
|prisms||S E||Artifex Engineering, EKSMA OPTICS, G&H, Intrinsic Crystal Technology, Knight Optical, Shanghai Optics|
Column "To": S = list of suppliers for that product, E = encyclopedia article.
Third column: alternative suppliers are suppliers also offering such products while having an ad package. On their own company profile pages, the right column of the table contains their product descriptions instead of alternative suppliers.