Tongyu Construction Machinery - Focusing on providing high-quality second-hand concrete pumping equipment and supporting services with high cost-effectiveness for the engineering construction field

Changsha Tongyu Construction Machinery Equipment Co. Ltd. is located in Changsha, Hunan, known as the "Capital of Construction Machinery in China". It is a professional enterprise with the core business of second-hand concrete pump equipment recycling, remanufacturing, and sales, dedicated to providing high-quality second-hand concrete pumping equipment and supporting services with high cost-effectiveness for the engineering construction field.
The company was established in 2023, relying on the mature construction machinery industry cluster in Changsha, focusing on the recycling, remanufacturing, and sales of mainstream brands such as Sany and Zoomlion concrete trailer pumps, truck mounted pumps, pump trucks, and mixer trucks. With the model of "original factory level standard remanufacturing+full process quality inspection+technical services", the company has quickly established an industry reputation, covering various provinces and cities across the country, and synchronously expanding overseas markets such as Africa, Central Asia, and Southeast Asia.

Core team and technical advantages
Founder Mr. Wang Maqiang has been rooted in Sany Heavy Industry as an after-sales engineer since graduating from university in 2010, deeply cultivating the field of concrete pumps for 15 years and accumulating profound original factory technical experience and industry resources. In 2023, he joined forces with partners and technical teams with over ten years of industry experience to establish Tongyu Company, establishing the core concept of "using new machine standards to make second-hand equipment" and embarking on a second entrepreneurial journey. The company has established a professional technical team and a foreign trade operation team. All remanufacturing technicians have original factory backgrounds and strictly follow standardized remanufacturing processes to control equipment quality from the source.

Standardized remanufacturing and quality inspection process
In order to eliminate assembly hazards and ensure stable equipment performance, the company has established a full process and traceable remanufacturing and quality inspection system:
Strictly control the source: all equipment is directly recycled from the construction site, and assembly machines and accident machines are rejected. The core components (oil pumps, oil cylinders, motors/diesel engines) are all original factory machines, and quality is controlled from the source.
Precise Renewal: All vulnerable parts are replaced with original factory parts, eliminating potential hazards and extending service life
Core Guarantee: The host undergoes precise testing to ensure "zero error" performance and restore new machine level work efficiency.

Revitalizing Aesthetics: We have invited experienced paint technicians who have resigned from the industry to carry out renovations. The texture of the paint surface is infinitely close to the original factory standards, balancing performance and appearance. Double quality inspection: Before leaving the factory, the equipment must pass two strict checkpoints: founder Wang Maqiang personally conducts final debugging and acceptance of each device;
Entrust SGS, a global professional testing agency, to conduct official testing and provide detailed reports to ensure transparent and traceable quality.

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