Jiangsu Qiangmao Gearbox Co., Ltd. is a leading, fully integrated industrial gearbox manufacturer dedicated to the design, engineering, and precision manufacturing of high-performance gear reducers and mechanical transmission equipment.

Headquartered in the heart of China’s premium machinery manufacturing hub, Qiangmao has established itself as a trusted partner for global heavy industries. Unlike traditional trading intermediaries, we operate a 100% in-house production model, ensuring that every product delivering to your facility is backed by direct-factory responsibility, transparency, and uncompromised engineering integrity.

At Qiangmao, we believe that true quality control cannot be outsourced. Our manufacturing facility seamlessly integrates the entire production cycle to guarantee stable mechanical performance and reliable delivery:

• Precision Component Machining: We process our own raw steel inputs, utilizing advanced machinery to execute gear cutting, shaft turning, and micro-level gear grinding.
• Robust Housing Casting & Treatment: Our gearbox housings are engineered for high structural rigidity, built to withstand extreme thermal expansion and harsh external environments.
• Standardized Final Assembly: Every single gear unit is assembled by senior mechanical technicians within a clean, climate-controlled environment to eliminate contaminants.
• Rigorous Testing Backing: From raw materials to final packaging, our products undergo dynamic testing for noise levels, vibration, and anti-leakage performance.