Police are seeking assistance in finding a Richmond man whose family is concerned for his well-being as he has not been seen for several weeks.

Sheng Tang Lin, who is 57 years old, was last seen on January 18 near the 5000 block of Francis Road in Richmond. He was reported missing to police on January 28.

According to Richmond RCMP, he is described as an Asian male who is 180 centimetres (five-feet, 11-inches) tall with brown eyes and chin-length dark grey hair.

He may appear confused or disoriented.

Anyone who knows of his whereabouts is asked to contact local police.