Set Sail, Connect, Succeed
Connecting the World through Logistics, Metal Manufacturing, and Green Energy
Logistic services
Our logistics solutions are designed to streamline the movement of goods and materials efficiently and cost-effectively. We offer a comprehensive range of services, from supply chain management to transportation and warehousing. Trust us to optimize your logistics processes, ensuring timely delivery and reduced operational costs.
Wind turbine sales
Embrace sustainable energy solutions with our state-of-the-art wind turbines. We provide cutting-edge wind turbine technology to harness renewable energy for a greener future.
Whether you're a business or an individual, our wind turbines are the ideal choice for reliable, clean, and eco-friendly power generation.
Manufacturing supervision
Our expertise in metallurgical product manufacturing supervision ensures the highest quality standards for your products. We oversee the entire production process, from raw materials to final quality checks. Count on us to maintain the integrity of your products and ensure they meet industry regulations and customer expectations.
Our Services
Impartial audit
Our inspector is not affiliated with the factory or your company, he will provide an impartial, independent report.
Our specialists are not accountable to the factory management, but they are also professionally trained. This means that you get a qualified and accurate picture of the production of your products.
Qualified inspectors
Dong Lu specialists have the necessary qualifications, training and experience in the field of product inspection. For more than 17 years, we have been specializing in the Chinese manufacturers' market in the production of equipment, components and spare parts for mechanical engineering, fuel and energy, and chemical industries.
We understand what you should pay attention to during the inspection process. Our specialists work quickly and efficiently, completing the necessary checks on time.
Cost-effective
If the volume of your orders cannot justify a permanent presence near the manufacturing plant in China, we can help reduce your costs.
Our specialists will arrive at the supplier's facility at any point in the production process, and you will pay only depending on the working hours spent.
Supply guarantee
Checking your order while it is still in the factory helps ensure that you receive a quality product.
We guarantee that you will receive high-quality products on time, while maintaining business efficiency.
Why us
Quality control of manufacturing, testing at the manufacturer's site, painting of the products, and final acceptance of the cylinder: input control of materials and certificates, control of key operations, inspection of welds according to the control map, and control of readiness for shipment with documentation verification
Control of the manufacturing technology and the accuracy of gearbox assembly with a quality guarantee: control of geometry and fit, gear parameters, gearing adjustments, and preservation requirements at the production and assembly stages
Control of geometry and mechanical properties during the production of compressor impellers. During the tests, the parameters of the impellers are analyzed, their strength and resistance to cracks are evaluated, and the overall quality of the production is monitored
Quality control of the manufactured compressor housing, its heat treatment and mechanical testing
Audit and engineering support for the supply of high-speed gearboxes with a chevron gear transmission and a transmission capacity of 3,200 kW for the production of liquefied natural gas
Acceptance control of the export purchase of the torque converter at all stages of service
In order to increase the reliability of a large-capacity gas turbine, we control the components, technological operations, assemblies, auxiliary units, and the finished GTU unit
Providing a range of engineering services for the launch of 24 sets of cast turbine blades with various technical parameters according to customer drawings
Quality control of production and testing of heat treatment of large forgings and flaw detection of cracks and other hidden defects
Consulting on procurement, pre-assembly of the generator and turbine, preparation of accompanying documentation in accordance with customer requirements, industry standards and international legislation
Author's Supervision for the production and supply of turbogenerator units based on the gas turbine unit for the GTU exhaust
Test control, packaging and shipment of the amine purification column for the ethane-containing gas processing complex has been successfully tested at various pressures
Supervision of the production of air cooling devices (ABO) at the manufacturer's site for compliance with the design documentation of the manufactured products and the assembly of all structural elements
Production audit, as well as monitoring of the manufacture of a low-pressure cylinder body for a centrifugal compressor at each stage of forging production, precisely on time according to the consumer's project schedule
Control of compliance with technology and accuracy of geometry of dimensional forgings of cylinders made of precision alloys with quality assurance
Quality control of equipment manufacturing, compliance with regulations and technical documentation
In-package acceptance of equipment and logistics control of the shipment of embedded parts for the generator and gas turbine
Overseeing the warranty testing process for a gas turbine produced to ensure customer satisfaction
Products loading supervision in the port of China on customer request
Inspection of Lanzhou LS Group's factory on customer request
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About us
Your trusted partners in success
Dong Lu Company conducts author supervision and manufacturer audit in order to supply high-quality goods in accordance with the customer's requirements and standards anywhere in the world. Dong Lu has conducted more than a thousand inspections in China and ten other countries. We evaluate manufacturers' capabilities and monitor production, delivering products in accordance with specifications and legal requirements.
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We evaluate the production of products and ensure that factories maintain quality standards without resorting to lower-quality materials to offset costs.
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We conduct regular factory audits and consistent quality checks to ensure compliance with standards at every stage from production planning to shipment of the finished product.
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Preparation of a report with conclusions on the condition of the inspected area with the results of each inspection, with a collection of photographs of the production process, products and packaging exactly as they looked during the inspection.
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We solve a variety of problems, from price fluctuations to delivery delays, and our supply chain has proven its stability and resilience. We ensure the timely delivery of high-quality products to our customers.
Get in touch
We're excited to hear from you and explore how we can collaborate to meet your unique needs.
Whether you have questions, require more information about our services, or are ready to embark on a new project, our team is here to assist you.