Wu Wei Feng jing Rong jewelers crystal self-line was established in 2007, the address of semi-precious stones production base in China ----ke tang town , Haifeng County.

吴炜峰（个体经营） 吴炜峰个体经营的晶荣珠宝商行成立于2007年，地址在中国半宝石生产基地----广东省汕尾市海丰县可塘镇。

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By creating a perfect crystal on a computer and then testing it, Dr Ceder and Mr Wu have deduced that thermal vibrations are not the problem.

ECONOMIST: MONITOR