The cause of the explosion which occurred at Yibin Hengda Technology near the southwestern province of Sichuan is yet to be ascertained.
The technique appears to unblock moisturising sebaceous glands along the rim of the eyelid, says Qu Chao, an opthalmologist who works at a nearby hospital in Chengdu.
A film titled Home of Poetry will compete against over 60 tourism videos from around the world.
Another 13 injured as coach barrels into the wall of an expressway tunnel in Shaanxi province, reports say.
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