Shandong Tianfeng Biotechnology Co., Ltd.(formally Dezhou Hengdong Pesticide and Chemicals Co.,Ltd .) was founded in 1966, and its registered capital was 31million RMB. Being the best manufacturer of Malathion TC, Hexflumuron TC, Diflubenzuron TC and Lambda-cyhalothrin TC, the Tianfeng specializes in production of quality green pesticides, and all the products of the Tianfeng are broad spectrum, good performance, light toxicity, low residue and no-nuisance. Tianfeng possesses strong research capability, production ability, and an expansive self-contained domestic and overseas distribution network. As so far, Tianfeng has built business relationships with 14 countries and major areas on four continents. At the end of 2007, Tianfeng had 500 employees, a capital asset value of 150 million. In China, the quality of Malation TC and Hexflumuron TC produced by Tianfeng is the best, and the quantity is the same. And it is Asia