product specifications : Hot-dip DN15, hot-dip DN20, hot-dip DN25, hot-dip DN32, hot-dip DN40, hot-dip DN50, hot-dip DN65, hot-dip DN80, hot-dip DN100, hot- dip national standard DN15, hot-dip national standard DN20, hot-dip national standard DN25, hot-plating national standard DN32, hot-plating national standard DN40, hot-plating national standard DN50, hot-plating national standard DN65, hot-plating national standard DN80, hot-plating national standard DN100
Whether to provide exclusive supply for cross-border exports : no
