Location:Home - About us - Technical Strength

A pioneer leading Innovative Technologies in the chimney industry

Following the production policy of ‘technical innovation and sustainable development’ and the technique policy of ‘quality orientation, technical innovation, customer satisfaction and continuous improvement’, Rainbow keeps developing products leading both the domestic international market.

Rain Environment provides customers with various chimney design schemes, such as structure, appearance, anti-corrosion, and landscape design. Based on the actual parameters such as different geography, climate, working conditions, smoke, and environment in the chimney project, the design conditions are strictly in accordance with the requirements of national codes and industry manuals such as GB50051-2013 "Chimney Design Code", "Industrial Chimney Design Manual", and with decades of construction practice and successful experience in design and development, we provide customers with safe, economic, and beautiful design and construction schemes.

Strong team, reliable quality

It has nearly 100 middle and senior technical and management talents, has passed the ISO9001:2015 quality system and ISO14001:2015 environmental system certification, and has passed the EU CE certification and North American UL and ULC certification internationally. In the chimney industry, it has also participated in the formulation of the national "Prefabricated Double Layer Stainless Steel Flue and Chimney", "Chimney Design Code", and "Chimney Reliability Evaluation Standard" schemes.

Technology innovation and development

It has obtained over 168 national patents, over 60 industry certifications, private technology enterprise certificates, and high-tech product recognition certificates. It is an Asian member of the International Steel Chimney Association and a member of CICIND. Its testing equipment meets the standard of TUV lab. Rainbow is among a few chimney enterprises that have doctoral work stations, CEP and CE certification, high-tech enterprise qualification, as well as installation qualification.

Innovation system, global layout

To study the independent (high-rise) steel chimney mechanical control system and fill the gap of domestic industrial chimneys, Rainbow has cooperated with several authoritative design institutes and Southeast University. It has struck a deal with the world's top soot equipment manufacturers to continuously surpass and break through the norms and technologies of the world's top companies with a global strategic vision, leading the future development of international metal chimneys.