求翻译：（1）100％纯原粉精制而成。 　　（2）产于阳光照射充足，昼夜温差大，环境无污染的独特自然条件下。 　　（3）生产及加工在国家认证的GMP标准条件下进行 (4）产品达到GB／T16919-1997螺旋藻产品标准，已被国家卫生部批准为保健食品［卫食健字（1999第0462号）］。 　　 （5）产品价位适中，适合不同层次消费者是什么意思？

(1) refining into pure raw powder. 　　(2) produced in sufficient sunlight, large temperature difference between day and night, under the condition of the unique nature of environmental pollution-free. 　　 (3) production and processing certification standards of GMP conditions (4) products reached GB/T16919-1997 Spirulina product standards, has been approved by the National Ministry of health to health food [health food and health (1999)]. (5) the product price is moderate, suitable for different levels of consumer