In the early days, the inhabitants on the island were mostly farmers and fishermen. The major population concentrated in the northeast portion of the island. Farmers grew rice, vegetables and pineapples, while fishermen lived in huts connected by plank walkways in the small harbour of Tsing Yi Tong which stretched far back into the island. Many fishermen also lived on their junksand boats all the time, fishing in the nearby waters. Even as late as the 1970s, Tsing Yi Tong resembled Tai O with its characteristic stilt houses and water vehicles. Like many other fishing villages in Hong Kong, the Tsing Yi dwellers worshipped Tin Hau, the goddess of mercy and the sea. A Tin Hau Temple was built on the shore of Tsing Yi Tong. At the birthday of Tin Hau, fishermen of all nearby waters would come to the Temple for celebrations. The temple was white in color and thus people call it Pak Miu ( White Temple).
From the 1920s onwards, a Chinese company built lime factories on the present site of Greenfield Garden. It is the earliest known industry on the island. The lime industry continued to flourish during the 1950s, and a tanning factory was also founded at the same period. After World War II, other heavy industries moved in as well. In the 1960s, several oil companies moved their oil storage depots onto the island, likewise a China Light and Power power station, and a Green Island Cement cement plant. Meanwhile, some small shipbuilding companies started their business in Tsing Yi, and remain on the north side of the island. In the 1970s, six large-scale companies on the island collectively built the Tsing Yi Bridge to connect Tsing Yi Town and Kwai Chung Town over theRambler Channel. The bridge was soon transferred to the Hong Kong Government, remaining the sole road connection to the island for more than ten years. Several industrial buildings for light industries were constructed beside the bridge afterward. Several dockyards moved to the west shore of the
