Wuxi Zhengda Poultry Co., Ltd was established in 1985, with an area of 70,000 square meters. It' s a national high-tech enterprise, pecializing in feed additives, natural plant extracts, and animal care products. Wuxi Zhengda has 8 GMP producing lines. All products comply with GMP and ISO 9001 requirements. The experienced GMP experts and trained workers ensure our excellent productivity and stable quality. Wuxi Zhengda has over 30 branches and over 100 agents in and abroad. Wuxi Zhengda ...