We are Qingdao Haofeng Food Co.,Ltd from Qingdao,China,the biggest enterprise for the head lettuce. We have six bases distribut in China,and we can supply head lettuce 8000MT/year in different seasons. Our lettuce are mainly exported to Japan,Korea,Singapore and Taiwan and so on. In our bases we have vacuum fast refrigeration machines and different pressure machines, and during our transportation including land and sea we use the refrigeration trucks and containers,so we can keep our lettuce fresh.