About us

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About us

About us

Based in Hainan, serving the world
Hainan Longtu International Trade Co., Ltd., headquartered at No. 22 Guoxing Avenue, Meilan District, Haikou City, Hainan Province, is a modern comprehensive industrial and trade enterprise that integrates research and development design, production and manufacturing, and international trade.

Strong manufacturing capabilities
We have a modern production base covering an area of 200 acres, with an annual production capacity of 30000 tons. Equipped with one advanced vertical production line, two fully automatic horizontal static pressure lines, and various industry-leading production equipment, we have built an efficient and stable manufacturing system and a complete supply chain system. We adhere to strict quality and environmental standards and have obtained certifications for ISO9001 quality management system, ISO14001 environmental management system, and ISO45001 occupational health and safety management system. Continuously promote energy conservation, emission reduction, green and low-carbon in the production process, achieve clean production and safety standardization construction, and practice the concept of sustainable development.

Diversified product solutions
Longtu Trading focuses on providing high-quality products and services for global infrastructure construction and industrial development. Our core product line covers nine major series and over 2000 varieties, including:

In the field of municipal infrastructure: ductile iron manhole covers, cast iron grates, rail transit accessories, urban construction decorative parts, etc.
In the field of industry and pipeline network: key products of pipeline systems such as valve bodies (various valve body components) and Haval joints (pipeline repair connectors).
In the field of agricultural machinery: agricultural machinery accessories (providing durable parts for various types of agricultural machinery equipment).

Wide range of service areas

Our products and services are widely used in

  • Urban water management system
  • Municipal engineering
  • Smart City Construction
  • Highway network
  • Port and dock facilities
  • Airport construction
  • Agricultural machinery and equipment
A globally trusted brand
With excellent quality and reliable service, Longtu products have been exported to more than 30 countries and regions around the world, including the UK, Germany, Italy, Australia, Canada, Southeast Asia, the Middle East, Africa, etc., winning the widespread trust of customers and becoming a well-known brand in the industry.

Longtu Mission
Driven by innovation and established by quality. Hainan Longtu International Trade Co., Ltd. is committed to using precision manufactured products to help your city become better, your home more prosperous, and your industrial development more efficient!

Global supplier
of high-quality castings