求翻译：当时交易黄金的成色一律为99％（即九九金），九九金同时为香港金行所认同。周大福在产品上的差异化战略是推出99. 99％足金（即4个九足金），在珠宝业界造成轰动效应。4个九足金的成功既为周大福带来丰厚的盈利，更带来良好的信誉是什么意思？

The trading of gold fineness shall be 99% (ie, Quarterly Supplement) Quarterly Supplement, as well as recognized by the Hong Kong Monetary line. Chow Tai Fook in the product differentiation strategy is the introduction of the 99.99% pure gold (ie, four and nine gold), caused a great sensation in the

At the time of the transaction gold fineness for 99% (i.e. , 99, 99, Kim) to the same line. Week on the well in the product differentiation strategy is the launch 99 .99 %s gold (that is, 4-9, s gold) in the jewelry industry caused sensation. A 4 foot 9 Kim's success is a big week of earnings has br

At that time the transaction gold quality all was 99% (i.e. 99 gold), at the same time the 99 gold approved for Hong Kong Jin Xing.Zhou Dafu promotes 99 on the product variation strategy. 99% pure gold (i.e. 4 nine pure golds), create the stir effect in the jewelry field.4 nine pure gold successes a

When trading the fineness of gold for 99% (or 99 gold), 99 gold also accepted gold for Hong Kong. CHOW Tai Fook on product differentiation strategy is the introduction of 99. 99% gold (4 gold), caused a sensation in the jewellery industry effects. 4 nine-gold success brought huge profits to CHOW Tai

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