Opanga zomanga zopangira mankhwala komanso opereka mayankho ogwiritsira ntchito.
Perekani zida zomangira ndi mayankho kwa makasitomala apadziko lonse lapansi.
Ndiwopanga zowonjezera mankhwala omanga & wopereka mayankho ogwiritsira ntchito ndipo adadzipereka kupereka zida zomangira & mayankho kwa makasitomala apadziko lonse lapansi.
Timakhazikika pa kafukufuku ndi chitukuko, kupanga, ndi kugulitsa zowonjezera monga ma cellulose ethers (HPMC, HEMC, HEC) ndi ufa wa polima wopangidwanso mumakampani omanga.
Pakadali pano tili ndi antchito opitilira 100, omwe ali ndi 20% omwe ali ndi digiri ya master kapena udokotala.
Longou International Business (Shanghai) Co., Ltd. unakhazikitsidwa m'chaka cha 2007 ndipo ili mu likulu zachuma-Shanghai. Ndiwopanga zowonjezera mankhwala omanga & wopereka mayankho ogwiritsira ntchito ndipo adadzipereka kupereka zida zomangira & mayankho kwa makasitomala apadziko lonse lapansi.