With the fall of the new environmental law, environmental protection department of the heavy fists to attack again and again, environmental supervision, forced to shut down, pollution penalty in the country has formed a new atmosphere, most of the chemical raw material prices soaring, L-carnitine manufacturers by environmental effects have led some enterprise device operating load is low, even some enterprises were ordered to suspend production for rectification. Domestic L-carnitine market showed a substantial rise, some manufacturers to stop foreign quotations, at present, some manufacturers of pre supply quote as high as RMB150 / kg, this year the new commodity price rose to RMB 180 / kg.