Technical requirements1. manufactured according to mechanical properties of 8.8 magnitude.2. performance levels and identifies the manufacturer as Braille, deep 0.2-0.3mm.3. zinc plated (gold color).
Technical Requirements 1. Press the mechanical properties of 8.8 manufacture. 2. The performance level and factory identified as Braille, deep 0.2-0.3mm. 3. Surface galvanized (golden yellow).
Technical requirements for 1. according to the mechanical properties of 8.8 level manufacturing. 2. performance levels and manufacturing plant identification for convex character, deep 0.2-0.3mm. 3. surface galvanized (gold).