linyi Feiteng chemical is an experienced enterprise of manufacturing various kind of apis, organic intermediates, research chemicals and peptide products. linyi feiteng ’s r&d center also offer custom synthesis services. linyi feiteng can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years 1.we have over 10 years experience in this aera 2.we can provide competitive price for every customer and guarantee the quality of our goods. 3.we are attention to every customer's requirements and make a good relationship with them. 4.we have a long business relationship with many countries, such as canada, mexico, brazil, united kingdom, russia, germany, india, south africa, malta, egypt, armenia, australia, philippines, b..