Ningbo Guorun Pipe Industry Co., Ltd. was established in 2004 with a registered capital of 41.5 million yuan and an annual output value of more than 150 million yuan. The company is headquartered in Zhenhai District, Ningbo City, with 10000 square meters of production plants; Huizhou Branch of Ningbo Guorun Pipe Industry Co., Ltd. has a production workshop of 12000 square meters.

The company is mainly engaged in the R&D, production and sales services of HVAC products, independent research and development of air duct production technology, introduction of domestic advanced production equipment, continuous reform and innovation, and standardized management according to the ISO standard system, specializing in the production of "Yongruntong" double-sided color steel composite air ducts, fire-resistant air ducts, galvanized iron sheet air ducts, stainless steel air ducts, metal hoses and other products, which have been widely used in rail transit, public and civil buildings Industrial medical construction and other fields.

The product has passed the inspection of the national authority, and has excellent performance, such as durability, non-toxic and harmless, anti-bacterial and mildew proof, low noise, energy conservation and environmental protection, fire resistance and high temperature resistance, elegant appearance, convenient installation, and has become a new type of assembled product with outstanding overall advantages.

Since its establishment, the company has adhered to the tenet of "development, innovation, pragmatism and efficiency", adhering to the concept of "quality first, service first", and pursuing excellent quality to meet the new needs of customers.