Longda is the hi-tech enterprise of Shandong province and is approved as the ISO9001 certificated company by Kosher, USA. With the design throughput of 50, 000T/A, Longda's production level ranks first position and its production scale ranks second position in this industry of China. At present, Longda mainly offers 5 series (Glucose Amylase, Alpha-Amylase, High State alpha-Amylase, Cellulase, and Fungus alpha-Amylase) and over twenty kinds of products.