Lang Chen dog food is researched and developed by Hong Kong lang Chen international pet food Co., LTD. It is approved by senior animal nutrition experts from Chinese Agricultural Science Academy as a kind of advanced pet Chen dog foodâ??s nutrition value is completely accorded with nutritional standards and production processes from AAFCO provisions, and all the raw materials are well and carefully selected from of the special additive is venison, it contains high protein, low fat, low cholesterol, therefore, it is easily absored by puppies. The added deer bone, muscle and blood are deely improve the puppiesâ??blood circulation system, nervous system and sports system .additive of wood frog will effectively improved the puppiesâ??immunity function and anti-stress, enhance organism non-specific immune function and humoral immune ant from Changbai mountain contains fifty kinds of amino acids, trace elements and vitamins. They will effectively improve the endocrine system of dogs, and strengthen the immune system, increase immunity, which is essential for doggy health.