Since 2023, Liancheng Group Suzhou Co., Ltd. has purchased multiple models of right angle gearboxes from Hunan Perfect Industry Co.,Ltd.​, including H200, H350, H350, H425, etc.

Shanghai Liancheng Group Suzhou Co., Ltd. is a holding subsidiary of Shanghai Liancheng (Group) Co., Ltd. It is a national high-tech enterprise and a national specialized and innovative "little giant" enterprise, focusing on the research and manufacturing of fluid conveying systems and environmental protection equipment. The core products include water pump series, variable frequency control series, soft start cabinet, valves, motors, and complete water supply equipment series, covering multiple industries such as municipal, water conservancy, construction, fire protection, power, environmental protection, petroleum, chemical, mining, and medicine. The products have been applied to national key projects such as the Bird's Nest and the National Grand Theatre.
Since 2023, Liancheng Group Suzhou Co., Ltd. has purchased multiple models of right angle gearboxes from Hunan Perfect Industry Co.,Ltd., including H200, H350, H350, H425, etc.