TIANJIN GRANDMETAL TECH. CO., LTD. is one of the leading manufacturers specialized in solar systems for many years. Along with the development of nearly 10 years we successively have our own processing factory, forign trade office and international logistics company. About the production, we cooperate with domestic large steel mills directly, which made sure the supply of raw materials, through the expansion and the introduction of large laser cutting equipment and our own galvanizing line, now we have the capacity of 300 tons per day for galvanizing. Only for ground screw, the supply ability can reach at 2000 pieces per day. In general, we can achieve processing (cutting/welding, etc.) to the galvanizing integration, which guaranteed our quality and delivery time.