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Qingdao Xinguangzheng Steel Structure Co., Ltd. founded in 1997, has developed into a listed steel structure company (Stock Code: 834422) after 23 years of development. It has passed the ISO9001, CE, SGS and other international certification.
Business performance in more than 100 countries and regions around the world, business scope covers the design, consulting, manufacturing, construction (installation) of steel structure industrial buildings, steel structure commercial buildings, prefabricated steel structure houses and animal husbandry houses; steel structure materials, enclosure materials, environmental building materials (ALC autoclaved lightweight concrete), trade import and export services, etc.
Qingdao Xinguangzheng Building Technology Co., Ltd. is an important subsidiary of Xinguangzheng Group. Our mission is to devote to the application and development of steel structures in the construction field, making buildings easier to build, more economical and more environmentally friendly. We follow AISC, ECROCODES, BS and other design specifications, and can provide customers with one-stop solutions for steel structure buildings professionally and quickly.
"Passion, Practicality, Gratitude, and Transcendence" is our corporate spirit.
"Customer first" is our business philosophy.
Qingdao Xinguangzheng Steel Structure Co., Ltd. has won long-term cooperation with customers with professional quality and high-quality service.

That is Rodeca
Founded in 1971 Rodeca is a company with very soon 50 years’ experience in the production, development and sales of translucent products for facades and roofs.
Facts:
Formation: 1971
Legal form: limited liability company
Based in Mülheim an der Ruhr
Production plants in Germany, Brazil and Italy
Global scope: Export to more than sixty countries all over the world
Where are translucent building materials used?
Our translucent building materials are developed especially for new build, renovations and modernization of buildings. Our products are commonly used for their aesthetic appearance for decorative cladding and interior design solutions.
What’s so special about RODECA?
Our production facility in Mulheim an der Ruhr runs around the clock manufacturing customer specific orders worldwide. The production facility in Kamp Lintfort fabricates the Rodeca window Series designed to integrate into the Rodeca façade and roof systems. This guarantees the highest quality “made in Germany“.
What objective pursues RODECA?
The objective of Rodeca is to support architects, designers and building owners with their creativity, expertise and innovation. Thanks to creative architecture buildings old and new can be designed providing visually exciting and energy efficient solutions. Our goal is to bring new ideas and innovation to an increasingly saturated market.
Which service offers RODECA to me?
Our sales offices in Europe plus a well-developed international technical and sales network enables us to provide customer-related project assistance worldwide.
Our qualified sales and technical staff based in Mulheim provide support from design stage to project completion.