... Q235 & Q345 3. Design: As your requirements Four-legged Telecom Tower San Bou Sing (HK) Limited is the wholly-owned subsidiary ... Equipment and Fitting CO., LTD., which is the top steel tower manufacturer in Guangdong. I. Specification Material Q235, Q345, Q390 ... 25 yearsCapacity6000 MT per MonthProject Experience Covering more than 90% Tower Projects in Guangdong Province in local. Main oversea area: ...