KaiFeng Planck Bio-Chemical Co.,Ltd. is specializes in pesticides with 16 years of history.The company has an excellent team of 300 members.Our products take the low poisonous, low remaining, no environmental damage as the developing direction. The company has passed to comply with the requirements of ISO9001:2000 international standard. <br /> The company has a biochemical R&D Center, we have cooperated with domestic and foreign well