
Shanghai Yayao Engineering Co., Ltd. (CONMEC) develops and manufactures light construction machinery, including concrete finishing, levelling, cutting and compaction equipment, backed by scientific quality control and testing systems.
Shanghai Yayao Engineering Co., Ltd. (CONMEC), founded in 2003, is a Chinese manufacturer focused on light construction equipment for concrete placing, finishing, cutting and paving. The company develops, manufactures and markets equipment used across municipal works, road construction, building construction and flooring treatment.
Its product range includes laser concrete screed systems, ride-on and walk-behind power trowels, concrete cutters, vibratory truss screeds and vibrating beams, small compaction machinery such as impact rammers and plate compactors, as well as armoured joint systems and diamond blades.
Supported by a professional team, advanced processing equipment, and a scientific quality control and testing system, Yayao emphasizes product reliability and customer service. The company has built a global sales network covering markets in Europe, America, Canada, Australia, Singapore and Russia, and participates in major international industry exhibitions including BAUMA, the Canton Fair and World of Concrete.

The company is specialized in research, development, sales and service of light construction equipment, with ongoing product innovation supported by patented technologies.
A scientific quality control system and a dedicated testing system are used to support consistent performance and value in global markets.
Backed by advanced processing equipment and a professional team, the company focuses on dependable equipment quality and responsive customer service for international buyers.
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