Чыонгшон
They are found mostly in tropical evergreen forests on Annamite Range that run along the Vietnamese - Cambodia border. In Vietnam, mountainous areas on the north like Quảng Ninh Province and Bắc Giang Province are also the house of the species. "Sindora tonkinensis" lives where there are fertile topsoil and good natural irrigation, at the height less than 600m from the sea level.