At GRH, our manufacturing base is certified with ISO 9001:2000, EU CE, and various classification society certifications, reflecting our commitment to international quality standards. We ensure that 100% of our hydraulic products undergo rigorous factory testing, with safety and stability monitored through pressure, temperature, and flow measurements. This comprehensive approach results in the superior quality of our products.

Our internal quality control adheres to a four-level standard, encompassing raw material control, manufacturing process control, finished product control, and continuous improvement control for mature products. This multi-tiered system ensures the highest standards of quality are maintained throughout every stage of production.