Inside story of China's subway train for Pakistan

The first train designed by China especially for a subway system in Pakistan rolls off the assembly line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, in central Hunan province. It has an energy-saving air-conditioning system to cope with constant high temperatures in Pakistan, and the country's unstable voltage supply. It's designed to run on Lahore's 25.58 km Orange Line Metro and reach top speeds of around 80 km per hour and is due for delivery in July this year. [Photo: IC]

The first train designed by China especially for a subway system in Pakistan rolls off the assembly line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, in central Hunan province. It has an energy-saving air-conditioning system to cope with constant high temperatures in Pakistan, and the country's unstable voltage supply. It's designed to run on Lahore's 25.58 km Orange Line Metro and reach top speeds of around 80 km per hour and is due for delivery in July this year. [Photo: IC]

A Chinese worker checks a subway train destined for the Orange Line Metro of the Lahore subway system in Pakistan.  The first specially designed train rolled off the assembly line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, in central Hunan province on 13 June 2017. The state-of-the-art energy-saving air-conditioning system is built to cope with constant high summer temperatures and Pakistan’s unstable voltage supply. It's designed for a maximum operational speed of around 80 km per hour. It's due to be delivered to the customer in July this year. [Photo: IC]

A Chinese worker checks a subway train destined for the Orange Line Metro of the Lahore subway system in Pakistan.  The first specially designed train rolled off the assembly line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, in central Hunan province on 13 June 2017. The state-of-the-art energy-saving air-conditioning system is built to cope with constant high summer temperatures and Pakistan’s unstable voltage supply. It's designed for a maximum operational speed of around 80 km per hour. It's due to be delivered to the customer in July this year. [Photo: IC]

Final assembly work on a subway train destined for the Orange Line Metro of the Pakistani city of Lahore, on the production line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, central China's Hunan province, on 13 June 2017. The train's energy-saving air-conditioning system is designed to cope with the constant high summer temperatures and Pakistan's unstable voltage supply. The state-of-the-art train is designed for a maximum operational speed of 80 km per hour, and will be delivered to the customer in July this year. [Photo: IC]

A Chinese worker checks a subway train destined for the Orange Line Metro of the Lahore subway system in Pakistan.  The first specially designed train rolled off the assembly line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, in central Hunan province on 13 June 2017. The state-of-the-art energy-saving air-conditioning system is built to cope with constant high summer temperatures and Pakistan’s unstable voltage supply. It's designed for a maximum operational speed of around 80 km per hour. It's due to be delivered to the customer in July this year. [Photo: IC]

Final assembly work on a subway train destined for the Orange Line Metro of the Pakistani city of Lahore, on the production line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, central China's Hunan province, on 13 June 2017. The train's energy-saving air-conditioning system is designed to cope with the constant high summer temperatures and Pakistan's unstable voltage supply. The state-of-the-art train is designed for a maximum operational speed of 80 km per hour, and will be delivered to the customer in July this year. [Photo: IC]

Final assembly work on a subway train destined for the Orange Line Metro of the Pakistani city of Lahore, on the production line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, central China's Hunan province, on 13 June 2017. The train's energy-saving air-conditioning system is designed to cope with the constant high summer temperatures and Pakistan's unstable voltage supply. The state-of-the-art train is designed for a maximum operational speed of 80 km per hour, and will be delivered to the customer in July this year. [Photo: IC]

Final assembly work on a subway train destined for the Orange Line Metro of the Pakistani city of Lahore, on the production line at the CRRC Zhuzhou Locomotive Co., Ltd. Plant in Zhuzhou City, central China's Hunan province, on 13 June 2017. The train's energy-saving air-conditioning system is designed to cope with the constant high summer temperatures and Pakistan's unstable voltage supply. The state-of-the-art train is designed for a maximum operational speed of 80 km per hour, and will be delivered to the customer in July this year. [Photo: IC]