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Tianjin longlong metal products factory (hereinafter referred to as longlong) was founded in 1991, since it is establishment, Longlong has been engaged in manufacturing and R&D for vaious of cold bending steel profiles, flat uniaxial tracking bracket system, photovoltaic bracket, greenhouse steel structure and parts, as well as equipment production for products mentioned above; All the products have features of high precision, superior high standard, high performance due to dedicated professional experience. 


Why Choose Us?

Tianjin longlong metal products factory has a strong industry technical team, decades of professional manufacturing and research and development of immune cold-bending steel profile, flat uniaxial tracking support system, photovoltaic support, greenhouse steel structure and other products all products have high precision, high standard, high performance characteristics.

Beginning in January 2020, an infectious ...
  The sudden emergence of the new...
First, the disease often encountered in t...
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