Jinan chenghuishuangda chemical Co.,Ltd(JNCHSD) was founded in 1994.At that time,there were only five reactors as 800 liters in the plant.Today,JNCHSD is a modern API and intermediates porduction unit,with a 200,000 liter production capacity. The key technologies of JNCHSD include: Chirality reaction High-pressure Hydrogenation reaction Low tempereature reaction Ultra low tempreture reaction. We have a hishly skilled R&D team.And we spend 20% of our annual profit on it for each year. Till now we have applied aobut 30 patents, Amoung which 12 patents were granted. We also have a young skilled team of analysits.And the routine Quality Team meetings for evaluation and continuous improvement of the quality system.Personnel training courses on?cGMPs, safety issues, and current legislation concerning APIs. ? Now our advantages products includes:Local Anesthetic(such as Ropivacaine,Bupivacaine and so on), amino acids(Such as D-clysocerine, Peptide and so on),