Qinhuangdao Leading Science & Technology Development Co., Ltd.,a high-tech enterprise in bio-engineering technology aiming at green industry and environmental protection.We deal in the research & development, production and trade of Bio-Pesticide & Bio-Bacterial Manure. Bio-Pesticide can kill crop pests effectively and quickly without public hazard, pollution and poison. Bio-Bacterial Manure can nourish soil nutrition and promote crop growth. We hold the certificates of ISO9001-2000.ISO14001.