产品质量介绍：

    品质优良 excellent quality(high quality)
    质量上乘 superior quality
    质量稳定 stable quality
    质量可靠 reliable quality
    品种繁多 wide varieties
    规格齐全 complete in specifications
    保质保量 quality and quantity assured
    性能可靠 dependable performance
    操作简便 easy and simple to handle
    使用方便 easy to use
    经久耐用 durable in use

    以质优而闻名 well-known for its fine quality
    数量之首 The king of quantity
    质量最佳 The queen of quality
    信誉可靠 reliable reputation
    闻名世界 world-wide renowm
    久负盛名 to have a long standing reputation
    誉满中外 to enjoy high reputation at home and abroad
    历史悠久 to have a long history
    畅销全球 selling well all over the world
    深受欢迎 to win warm praise from customers

    协定用语：

    协定 agreement
    议定书 protocol
    贸易协定 trade agreement
    贸易与支付协定 trade and payment agreement
    政府间贸易协定 inter-governmental trade agreement
    民间贸易协定 non-governmental trade agreement
    双边协定 bilateral agreement
    多边协定 multilateral agreement
    支付协定 payment agreement
    口头协定 verbal agreement
    书面协定 written agreement
    君子协定 gentlemen’s agreement