Shanghai Liancheng (Gulu) Co., Ltd. ndi gulu lodziwika bwino lomwe limadziwika kuti ndi gulu lalikulu ndipo ntchito zake zambiri zimaphimba kafukufuku ndi kupanga mapampu, ma valve ndi kayendedwe kamadzimadzi, makina owongolera zamagetsi ndi zida zoteteza chilengedwe.Zogulitsa zathu zakhala zikugwiritsidwa ntchito kwambiri pantchito zamatauni, kusungira madzi, zomangamanga, kuzimitsa moto, mphamvu yamagetsi, kuteteza chilengedwe, mafuta amafuta, makampani opanga mankhwala, migodi ndi mankhwala.