Ji'nan Fengshan Heng Kun chemical   

        Ji'nan Fengshan Heng Kun Chemical Technology Co., Ltd. is a company engaged in the pharmaceutical and chemical intermediates in development and production of specialized companies. The company has a team led by a number of senior engineer, post doctoral, master's and Bachelor of technology development, production and management team, with strong technical strength and scientific research.
        the company has set up the scale of production of products:
        a, pharmaceutical raw materials and intermediates:
        dofetilide and intermediates, tiotropium bromide and its intermediates.
        two, piperidine derivatives series:
        2- methyl piperidine, 4- methyl piperidine, 2- piperidine ethyl piperidine formic acid ethyl ester, 3-, 4-, 1- methyl piperidine ethyl -2- methyl piperidine, 1- methyl -4- methyl piperidine methyl piperidine formic acid ethyl ester, 1- -2-, 1- -3-, 1- methyl piperidine ethyl methyl -4- piperidine formic acid ethyl ester, 2-, methanol, methanol 3- piperidine piperidine 4- methanol, 1- methyl piperidine -4- piperidine methanol, 1- benzyl -4- methyl piperidine, 1- benzyl -4- piperidine formic acid ethyl ester, benzyl piperidine 1- -4- methanol, 1- benzyl -4- piperidine and formaldehyde.
        three,
        N-Boc-3- methyl piperidine N-Boc-4- methyl piperidine N-Boc-2- piperidine ethyl N-Boc-3- piperidine ethyl piperidine ethyl piperidine N-Boc-4- N-Boc-2- methanol N-Boc-3- piperidine methanol N -Boc-2- piperidine N - Boc-3- piperidine formic acid
        N