On January 21, a Mongolian client, accompanied by a professional translator, paid a special visit to the factory of Nanjing Byfo Machinery Co., Ltd. to conduct an on-site inspection of the HVAC duct production line and related equipment. It was learned that BYFO was already the fifth factory visited by the client on the same day, reflecting a tight schedule and a highly cautious comparison process.
During the factory visit, the client focused on BYFO’s Auto Duct Line III, as well as the overall manufacturing process and equipment configuration. In the production workshop, the client carefully examined key process details, machining accuracy, and assembly quality, and observed the entire on-site operation demonstration conducted by BYFO engineers. The precise, stable, and efficient output performance of the equipment left a strong impression and fully met the client’s technical expectations.
After a thorough on-site evaluation and direct comparison with other manufacturers, the client made a decisive choice on the spot. The Mongolian delegation confirmed that they would end the remaining factory visits in China, immediately requested BYFO to draft the sales contract, and arranged their return to Mongolia on the same day.

From “multiple comparisons” to a “final decision,” BYFO became the last stop of the client’s intensive inspection journey. This outcome not only reflects the client’s recognition of BYFO’s product reliability and manufacturing capability but also highlights the company’s professionalism in technical communication and on-site service.
Nanjing Byfo Machinery Co., Ltd., established in 2016 and located in Nanjing City, Jiangsu Province, China, has long been dedicated to the design and manufacture of HVAC equipment. BYFO’s main products include full-automatic HVAC duct auto lines, TDF flange formers, round duct making machines, elbow duct machines, Pittsburgh lock formers, shearing machines, bending machines, and plasma cutting machines.
The company is equipped with advanced production facilities such as CNC machining centers, large gantry milling machines, grinding machines, spiral duct forming machines, and various automatic duct line systems, ensuring high manufacturing precision and consistent product quality. As an integrated manufacturing enterprise, BYFO covers equipment manufacturing, system design, sales, and comprehensive after-sales service, providing reliable support for customers worldwide.
The Mongolian client has already departed China, and the subsequent cooperation process between both parties is now progressing efficiently. This successful on-site signing further strengthens BYFO’s presence in the international HVAC equipment market and demonstrates the competitiveness of Made in China solutions on a global stage.
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