Zhangjiagang Lianda Maining Co: ltd.Kupanga makina obwezeretsa mafilimu kuyambira 1998. Timapanga makina athu kuti akhale osavuta ndipo amayang'ana kwambiri pazomwe apanga pulasitiki / rectylers omwe akufuna kupanga zinthu zosavuta komanso zokhazikika ..