Mother and her long-lost son break down in tears while being reunited 30 years after
This is the tear-jerking moment a pair of mother and son in northern China were finally reunited with each other after being separated for 30 years.
Li Jian, 33, went missing at the age of three when he and his family were walking on the street of the city of Changzhi in 1989.
The man, known by his nickname Jian Jian, then grew up in another city 90 miles from his birth parents after being found in a train station and taken home by his adoptive father, according to police. 
Mrs Li hugs her long-lost son Li Jian who was separated from her in 1989 in Changzhi, China
Li Jian, now 33 years old, tells his mother 'don't cry' as he holds her tightly with tears in his eyes
Jian Jian and his mother were able to find each other thanks to China's missing people database, which lodged both of their DNA samples.
The emotional reunion took place recently at the XiuWu County Police Station in the prefecture city of Jiazuo, according to a social media statement posted by Jiaozuo Police.
'Son, mother is coming,' a teary Mrs Li cried as she rushed to hold her child, whom she had missed every day for three decades.
'Jian Jian, I have been looking forward to this day for 30 years. You have been so close to home all this time, but mother has been looking for you for 30 years,' Mrs Li said as she was supported by her daughter.
Jian Jian was also overcome by emotion and burst into tears while being cuddled by his long-lost mother.
He wiped tears off his mother's face and consoled her 'don't cry'. 
Li Jian, known by his nickname Jian Jian, went missing at the age of three. The photos, provided by his family to Henan Urban Channel, shows Jian Jian on his own (right) and with his sister (left) before he was found crying in a train station by a man who later adopted him
According to Jiaozuo Police, Jian Jian was separated from his family at around 3pm on April 8 in 1989 in downtown Changzhi.
His family printed thousands of flyers and distributed them around bus stations, train station and hospitals in search of him, but they did not find any leads.
'I worked in the day and would space out whenever I thought of my son. I could not sleep at night because I kept thinking what might have happened to my son,' Mrs Li recalled to police.
It is said that Jian Jian's father died in self-blame during his endeavour of looking for his son.
But before his death, he had brought Mrs Li to the local police station to register their DNA samples having heard that the move could improve the chances of tracking down missing family members.
Li Jian and his mother both burst into tears when they meet each other for the first time
In September this year, police officers at the Xiuwu station discovered during a regular inspection into the local neighbourhoods that a man named Bin Bin (Jian Jian's current name) had been adopted by his parents.
Officers advised Bin Bin to provide his DNA sample, and Bin Bin agreed.
After running a search in the country's missing people database, they discovered that Bin Bin's DNA was a match with the ones given by Mr and Mrs Li.
Officers contacted their colleagues at the Luzhou Police Station in Changzhi to carry out investigation.
After further analysis confirmed that pair were indeed a match, policemen at both stations organised a reunion for them.
Yang Dongzhou, deputy director of the Xiuwu County Police Station, told Henan Urban Channel that the police required each family which had a male adult to provide two DNA samples in order to build a y-chromosome database.
After finding him missing, Jian Jian's family printed thousands of flyers (above) and distributed them around bus stations, train station and hospitals in Changzhi in search of the boy
An official of Xiuwu told the station: 'His adoptive father saw [the child] crying in the station, so he took him home. [He] did not know where to find his home and parents.'
Speaking of his adoptive family, Jian Jian said they had treated him as their own all these years.
'My adoptive mother and father treated me very well. Both [adoptive mother and my biological mother] are my mothers,' the man said with tears in his eyes.
Jian Jian's elder sister, who witnessed the reunion, said she and her family were grateful of Jian Jian's adoptive family.
'No matter what, they raised him for 30 years. We are deeply indebted to them,' she said.
According to a 2016 report on Chinese news site Caijing, around 200,000 boys and girls are estimated to be missing every year.
Among them, only 200, or 0.1 per cent, would be able to find their parents at some point of their lives.
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