World Record Title: the world's first to use steel hammer, nail characters carved on the glass bulb person: Hu Fei
World Record Holder: Hu Fei
World Record Field: carved Chinese characters on the glass bulb
World Record Rules: use of steel hammer, nails characters carved on the glass bulbs, light bulbs intact without crushing.
World Record Number: 20120700001
World Record Validity Period: to record was broken up.
World Record Witness: Carrying the Flag of World Records certified teacher 001
World Records Source: World record database of to Carrying the Flag
Through the audit Date: July 2, 2012
World Record Awarding Certificate Date: July 10, 2012
World Record Details:
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The world's first use of steel hammer, steel nails in the glass bulb engraving Chinese characters is Hu Fei, verified in ShangHai on 10 July 2012.

 Jiangxi TV reported that Hu Fei lettering on light bulbs for world record   http://v.qq.com/cover/6/68fa6oasgrf34kj.html?vid=q0010FD9wMx