From 1979 to 2026, HUAYAN has delivered precision manufacturing with millimeter-level accuracy. Our products are exported to over 60 countries, serving customers worldwide.
Years of Precision Sealing Expertise
R&D and Production Team Members
Countries Served
Product Specifications

A precision sealing component manufacturer founded in 1979, it is now a Provincial Specialized, Refined, Unique & Innovative Enterprise in Jiangsu Province.
Formerly known as Xishan Bearing Sealing Parts Factory, HUAYAN has been deeply engaged in the industry for 46 years and evolved into a high-tech enterprise integrating R&D, design, manufacturing, sales and technical services.
Located in Wuxi, Jiangsu Province, the company sits adjacent to the Shanghai-Nanjing Expressway, around a 1.5-hour drive from Shanghai, within the core manufacturing hub of the Yangtze River Delta. The proportioning of every rubber raw material, machining of every precision mold, and operation logic of every automated equipment are all independently developed by HUAYAN.
Today, HUAYAN’s products are widely applied in high-end sectors including precision machinery, new energy vehicles, humanoid robots, industrial equipment, aerospace and more, serving customers in over 60 countries worldwide.
From a local factory to a Jiangsu Provincial Specialized, Refined, Unique & Innovative (SRUI) Enterprise — every milestone over the past 46 years reflects our enduring commitment to precision manufacturing excellence.
Media coverage, industry awards and tech breakthroughs track HUAYAN's strides in precision manufacturing.
From international quality systems to national accreditations, every certification of HUAYAN is an enduring commitment to customers.
From precision machine tools to humanoid robots, new energy vehicles to aerospace — HUAYAN sealing parts operate quietly at every critical junction.
Whether for OEM cooperation, bulk procurement or customized solutions, HUAYAN's engineering team provides full-chain support at any time.