Top quality material:Firm and durable, all the leather cases are made of South Korean top quality cowhide or PVC material.

顶级材质：所有皮套均使用南韩高级牛皮或PVC材质制成，坚固耐用。

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Various products have been sold all over the country and won the support and trust from customers for top quality material, elaborate manufacture and reasonable price.

各类产品销往销往全国各地，产品用料上乘、做工精细、价格合理，而深获广大客户的支持与信赖。

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By using the methods of documentary material, investigation, statistic analysis, this paper analyzed the indexes of special quality of China top male long jumpers.

通采用文献资料与调研、因子分析及回归分析等方法对我国优秀男子跳远运动员专项素质指标进行了统计与分析。

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