About Us / Shenzhen Lianhetong Precision Manufacturing Co.,Ltd.

Company Profile

L&H is committed to becoming a global leader in hardware manufacturing partnerships, leveraging advanced CNC machining and injection molding technologies to deliver high-quality, precision metal and plastic components.
The company upholds the core values of “Excellence, Integrity, and Win-Win Collaboration,” continuously driving technological innovation and optimizing production processes to ensure an ideal balance of quality and cost-efficiency.
L&H embraces integrity and responsibility, prioritizing long-term client relationships, and is dedicated to meeting stringent manufacturing standards through professional service and timely delivery, fostering sustainable and mutually beneficial partnerships.

Why Choose Us

At L&H, we go beyond just manufacturing parts—we deliver complete, reliable, and cost-effective solutions that meet the evolving needs of global industries. With decades of experience, advanced technology, and a commitment to quality, we are ready to support your project at every stage.

Certified Quality Assurance

We provide products manufactured under ISO-certified processes, ensuring consistent quality and traceability.

Advanced Manufacturing Solutions

From CNC machining to injection molding and die-casting, we offer integrated and precise production capabilities tailored to your needs.

Reliable & Timely Delivery

We provide flexible capacity and efficient logistics management to ensure every order is delivered on time.

Long-Term Partnership Support

We offer more than just manufacturing—we provide responsive communication, technical advice, and ongoing support to grow with your business.

Quality Control

Precision You Can Rely On
At L&H, quality is built into every step of our manufacturing process. From raw material inspection to final product testing, we follow strict quality control procedures based on ISO standards. Our experienced QC team utilizes advanced measuring tools and thorough documentation to ensure every component meets your specifications.
We are committed to delivering consistent, defect-free parts—on time, every time.

Factory Tour

See Where Precision Takes Shape
Take a closer look at L&H’s production facilities and discover how quality, efficiency, and innovation come together. Our factory is equipped with advanced CNC machining centers, die-casting lines, and injection molding machines. From raw material handling to final inspection, every process is carefully managed by experienced teams in a clean and organized environment.

Certifications

Verified Quality, Recognized Expertise.
L&H operates under ISO-certified quality systems, ensuring every product meets international standards of precision and reliability. In addition, we are proudly recognized as a National High-Tech Enterprise, reflecting our continuous commitment to innovation and advanced manufacturing capabilities.

About Us