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ABOUT US
WENZHOU KEFENG INSTRUMENT CO.LTD is a company specializing in the gem testing and detecting
instrument, it incorporate produces, researches and develops, sells into an organic whole.
Diamond selector`MINI Diamond tester`Moissanite/Diamond tester`Diamond combo tester`Digital gemstone gauge are the leading products of our company, the Moissanite/Diamond tester（ZL01264391.2) and Diamond combo tester(ZL0323624.1)are Chinese patented product.
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