MCG is the natural gems brand of the LongTom group, which are pure natural minerals and relatively precious, such as White Topaz, Citrine, Amethyst, Garnet, Rhodolite, Peridot, etc. We use Auto-Machine to produce precision size 0.80-6.00MM natural gemstones. We first proposed the "CUPS" standard in the gems field worldwide. MCG will serve clients wholeheartedly with the most professional technology and strict standard.
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