About Us – Dalian Mairuisheng Transmission Mechanism Equipment Co., Ltd.

Dalian Mairuisheng Transmission Mechanism Equipment Co., Ltd. is the dedicated sales and export arm of Dandong Haiyan Hydraulic Machinery Factory – a technology-driven manufacturer established in 2008. Together, we form a powerful integration of R&D, production, and global sales, specializing in:

• Permanent magnetic couplings

• Hydraulic couplings (fluid couplings)

• Permanent magnetic speed regulators

• Advanced power transmission solutions

Why Customers Choose Us

1. 15+ Years of Engineering Excellence

Since 2008, Dandong Haiyan Hydraulic has focused on technological innovation and specialized manufacturing. With decades of R&D experience and deep industry knowledge, we have built a strong brand reputation and earned trust from customers across mining, metallurgy, cement, agriculture, and material handling sectors.

2. Inherited Innovation, Proven Quality

Dalian Mairuisheng carries forward the innovative spirit and technical advantages of Haiyan Hydraulic. Our parent company operates advanced production facilities and maintains a rigorous quality control system. The result: high-performance couplings that deliver efficiency, durability, and low lifecycle costs.

3. Factory-Direct Strength with Dedicated Sales Support

We operate a clear production & sales division model – Haiyan Hydraulic focuses on manufacturing excellence, while Dalian Mairuisheng provides professional sales, technical consultation, and after-sales service. This collaboration ensures:

• Faster response to customer inquiries

• Higher production efficiency and shorter lead times

• Better sales coverage and localized support

4. Comprehensive Customization & Engineering Support

Every application is unique. Our engineers work closely with you to provide:

• Tailored mounting dimensions and shaft connections

• Special materials for high-temperature, corrosive, or abrasive environments

• Integration with brakes, pulleys, or backstops

• On-site commissioning and remote technical assistance

5. Reliable After-Sales Service

We don’t just sell products – we build long-term partnerships. Our complete after-sales system includes:

• Installation guidance and maintenance training

• Spare parts availability

• Fast technical response (within 24 hours)

• Warranty coverage from 1 to 2 years depending on configuration

Our Commitment

At Dalian Mairuisheng, we combine Chinese manufacturing efficiency with global quality standards. Our products are widely exported to Southeast Asia, Central Asia, the Middle East, Africa, and beyond. We are proud to help customers reduce downtime, cut energy costs, and improve operational safety.

Let’s explore the future of hydraulic and permanent magnetic transmission together.