Supplier of various crystals for applications in laser systems, optical communication, x-ray machines and more
GB Group, Inc.
P. O. Box 2293
New York, NY 10021 U.S.A.
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About GB group, Inc.
GB Group, Inc. markets itself as follows:
GB Group Inc. is a group of manufacturers, institutes and professional expertise in all kind of crystals. They have been a reliable supplier of crystal materials and products since 1963 supplying crystal products with high quality and low price.
2100 Geng Rd., Suite 210
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