
HANGZHOU SANSAN METONG MACHINERY CO.,LTD. develops and manufactures road construction and maintenance equipment, including asphalt distributors and synchronous seal coat gravel cars. The company combines extensive product range with innovation-led, export-oriented service.
HANGZHOU SANSAN METONG MACHINERY CO.,LTD. focuses on the R&D, manufacturing, and service of road construction and maintenance equipment. The product portfolio covers asphalt pavement construction, routine maintenance, and emergency road assurance, with core offerings including asphalt distributors and synchronous seal coat gravel cars, alongside micro-surfacing equipment, road maintenance trucks, rubber asphalt plants, asphalt mixing and recycling equipment, sweeping equipment, and snow-removal equipment.
Headquartered in Hangzhou, the company operates two production bases—Qiantang Jiangnan and Qiantang Jiangbei—with a total area of more than 66,000 square meters. As a national high-tech enterprise with a provincial-level technology R&D center and a Ministry of Transport road-building and maintenance machinery R&D and manufacturing base, it continuously adopts advanced technologies to improve operating safety, usability, and environmental performance.
With reliable quality and competitive pricing, Metong equipment is widely used across China and exported to more than 100 countries and regions, including markets in Europe, the Americas, Southeast Asia, Africa, and Latin America. The company holds more than 150 invention and utility model patents and has received multiple national and provincial honors, including recognition for its synchronous chip seal technology and innovation achievements.

The company specializes in the development, manufacturing, and service of equipment for road construction, pavement maintenance, and emergency road assurance, with a strong emphasis on safe operation and environmentally oriented design.
Metong was established in 2000 in Hangzhou, Zhejiang.
A 25th anniversary celebration and new product launch event was held in Hangzhou.
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Operations are supported by two production bases—Qiantang Jiangnan and Qiantang Jiangbei—with a combined total area of more than 66,000 square meters.
The company holds more than 150 invention and utility model patents and continues to absorb and apply international advanced technologies to strengthen product performance and reliability.
Products are sold across China and exported to more than 100 countries and regions, serving customers in Europe, the Americas, Southeast Asia, Africa, and Latin America.
The asphalt synchronous chip sealer was included in the National Torch Program plan, and the “three-in-one” asphalt fiber synchronous chip sealer received an industry–university–research cooperation innovation achievement award.