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About product and suppliers:
            597 gold tester pen products are offered for sale by suppliers on Alibaba.com, of which testing equipment accounts for 1%, multimeters accounts for 1%, and permanent markers accounts for 1%. 

A wide variety of gold tester pen options are available to you, 

There are 37 suppliers who sells gold tester pen on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of gold tester pen supply is 100% respectively.