山王 List of Products and Services

<High Strength> Gold Patch is a heated type of cold mix asphalt that is packaged in bags after cooling heated asphalt aggregate using a special technique. After application, it exhibits strength equal to or greater than that of heated asphalt. <Excellent Workability> Gold Patch can be applied simply by heating, spreading, and compacting on-site, allowing for quick road reopening. <Storage Stability> Due to its unique manufacturing process, Gold Patch can be stored in bag form for over a year, making it suitable for emergency repairs. <Economical> Since Gold Patch is bagged, it eliminates the hassle of going to the plant for heated asphalt and the disposal of leftover materials, making it more efficient compared to traditional small-scale pavement repair work.

• Reinforcement and repair materials

During laser cleaning, fine fumes such as PCBs and lead are precisely captured by a high-performance HEPA filter, while toxic gases that pass through the filter are chemically decomposed and suppressed by a unique secondary catalytic filter. This thorough two-stage processing ensures the emission of clean air, creating a safe and comfortable working environment.

• others

The MM-JOINT DS type is a simple and highly durable bridge expansion device composed of a special binder, DS aggregate as the main material, along with a primer, back rod, and gap plate. In January 2026, it obtained the "VE" evaluation from NETIS.

• Bridge Construction

Orange Patch is a special cold-mix material developed for asphalt repair. It uses citrus fruit peel oil, making it harmless to humans and the environment! It is all-weather, so it can be used even under heavy rain or puddles. 【Features】 ■ Uses citrus fruit peel oil, friendly to people and the environment ■ All-weather, safe even on rainy days ■ Excellent workability, outstanding durability, and reliable long-term storage ■ Zero VOCs, no health concerns from organic solvents *For more details, please refer to the catalog or feel free to contact us.

• Reinforcement and repair materials