These are the products we recommend to you. Of course, we provide customized services
Ningbo East Sea Machinery Co., Ltd (ESM) was founded in 2002 and specializes in manufacturing door locks, latches, hinges, folding steps, and handles for trucks, trailers, vessels, and special vehicles. With a strong focus on quality and efficiency, we have become a trusted partner in the vehicle component industry. Located in Ningbo, China, ESM operates an 8,000 m² facility and employs over 100 skilled workers. We are ISO9001 certified and committed to delivering precision-engineered components with competitive pricing and on-time delivery for customers worldwide.
With in-house design and a complete production chain, ESM ensures consistent quality and fast turnaround. We produce high-precision components for global markets, supported by strong technical capabilities and strict quality control.
We offer a full range of services, including product design, engineering, and fabrication of casting, stamping, and CNC parts. Our flexible OEM/ODM support enables customized solutions for clients across the US, Europe, and beyond.
We deliver precision-engineered hardware solutions for commercial vehicles and industrial applications. Backed by decades of expertise, certified quality, and strong global partnerships, we help you drive efficiency, durability, and performance through OEM innovation.
Founded in 2002, we focus on locks, hinges, folding steps, and handles—refining every detail with precision and durability trusted across industries.
Our engineers work with clients from concept to production, optimizing structural design, usability, and cost-effectiveness.
We use high-grade materials and implement strict quality standards. Our products outperform industry benchmarks in durability and service life.
Serving partners in the USA, Canada, and Australia, we’ve delivered over 10 million OEM products with proven reliability in demanding environments.
From casting and stamping to CNC machining and sheet metal fabrication, our integrated production ensures rapid response and customization.
Our ISO9001-certified facility upholds rigorous quality systems, ensuring consistency, compliance, and confidence in every shipment.
Incorporate testimonials from clients around the world to emphasize trust and satisfaction.
Our high-quality products and expertise have earned numerous industry-recognized certifications. Validated by domestic and international authorities, we adhere to rigorous standards, ensuring quality at every stage. For us, certifications represent not just honors, but the foundation of customer trust, guaranteeing reliable and lasting value.
Speak to one of our experts today to learn more about our products
We can provide high-quality customized solutions, ensuring every step is precise, efficient, and satisfactory.
Clients communicate their customization needs through online consultation, phone communication, or offline negotiations, including product type, functional requirements, appearance design, and packaging specifications.
Based on confirmed customization plans, our design team creates product designs and technical drawings. We complete sample production within 30 working days for client confirmation.
After sample approval, we formulate production plans, arrange raw material procurement and production scheduling, following standardized processes and quality control systems.
Our quality inspection team conducts comprehensive testing including appearance inspection, functional testing, and performance testing to ensure every product meets requirements.
Qualified products are packaged according to client requirements, with appropriate logistics methods selected for shipping, and tracking information provided to clients.
Learn About Our Company News and Useful Investment Casting Knowlege
Canadian OEM needed 30–40% lower operation force on Model 19305 paddle latch. See how East Sea Machinery delivered two spring options in 24h—ergonomic, glove-friendly truck tool box latch. OEM/ODM Ningbo.
Discover how Eastsea Machinery developed a custom IP67 waterproof LED latch solution for Australian toolbox manufacturers. Expert OEM services for heavy-duty hardware.
Toolbox Lock Response Time Optimization Case Study: Achieving 0.1s millisecond-level instant unlock. See how we reduced lock response from 1 second to 0.1 seconds for Australian high-end market with high-torque motors and optimized chip logic.
