Specialized in the operation of cultivating, processing and exporting of head lettuce, Haofeng (qingdao) food co., ltd. is the largest enterprise of planting head lettuce at present in China, belonged to Chaoda modern agriculture group. It has 6 parts of connectable farm bases, located at hebei,Shandong,hubei, zhejiang and fuzhou, total area about 6000mu,which make us have the advantage to supply more than 6000 tons of fresh head lettuce all the year in different seasons. In the course of production , Haofeng food always makes the food safety as the first principle according to the agricultural standard with uniform seeding, planting, fertilizing and using of pesticide. Especially on the management of pesticide ,we are even more strict, with one set of integrated supervising way;So when we inspect the soil and irrigating water of each farm base, the result is perfect to accord with the requirement of china non-pollution vegetable base and the standard of exporting vegetable.