... at home and abroad in accordance with ISO standard, optional ABS system, braking, lighting is absolutely safe and ... corrosion standards.9.Products fully comply with relevant national standard GB1589, GB/T6420, at the same time ... capacity, gear outside13King Pin2" bolted type14Twist Lockstandard15Side-protective guardstandard16Braking System& Lighting Systemrelay valve-wabco; air chamber; air tank ...