Laizho Dingrong Trading Co., Ltd., also known as Laizhou Dingrong Steel Structure Co., Ltd., is a manufacturer and trading company based in Laizhou, Shandong province, China. Established in 2008, the company specializes in the design, manufacturing, and installation of modular houses and steel structure buildings. With a history of 50 years in the industry and a production area of 130,000 square meters, they employ between 101 and 200 people, including 110 senior engineers and builders. Their product range includes various types of container houses such as collapsible, flat pack, expandable, and mobile container homes, as well as container offices, shops, hotels, apartments, toilets, and showers. They also produce steel structure buildings, prefabricated houses, hangars, poultry houses, warehouses, workshops, garages, and carports. Laizho Dingrong Trading Co., Ltd. offers OEM and ODM services, utilizing advanced design software like Auto CAD, PKPM, 3D3S, and Tekla Structures. The company holds CE, ISO 9001, and ISO 14001 certifications, and their products are exported to over 50 countries worldwide, demonstrating extensive international trade experience.
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Laizhou Detong Steel Structure Engineering Co., Ltd. is a professional specialist steelwork fabrication manufacturer based in the port city of Laizhou, China. Established in 1996, the company operates a dedicated factory with integrated design, production, and management teams, employing between 51 and 100 people. As an ISO 9001 certified contract manufacturer and OEM provider, the company maintains three production lines with an annual output value between US$10 million and US$50 million.
The company specializes in bespoke structural solutions across several core categories, including large-scale steel structure buildings for workshops, warehouses, and markets; versatile container houses for offices, dormitories, and schools; and light steel prefabricated villas. Their technical capabilities are supported by a dedicated R&D team of 5 to 10 staff members who focus on engineering expertise and product innovation.
With a strong focus on international trade, Laizhou Detong Steel Structure Engineering Co., Ltd. exports approximately 31% to 40% of its production to global markets. The company is recognized for its commitment to quality and safety, reporting that over 90% of its workload comes from repeat customers. They provide comprehensive support throughout the project lifecycle, from initial design and manufacture to final delivery.