The East china sea

east of the mainlond leads the country's sea areas in resources. Countiyeous to the Huanghai in the north. Jhapan's Ryukyu islands in the east and the south china sea on the southern edge of the taiwan straits in the south it has an area of 770000 square kilometers an average depth of 370 metres wide in the north and narrow in the south. the part of its bottem on the line from Taiwan to the north west of the wudao Islands is basically part of the continental shelf while southeast of the liune is the continental slope and trench. Its deepest point is at the Okonawa Trench whose maximum depth is 2719 metres strung out along its zigzag mainland coastline are a labyrinth of bays and island. The biggest bay is Hangzhou Bay and the major island are Taiwan island . The zhoushan. Archipelago the penghu Islands. Diaoyu, Island and a few other islands arew on a 100- nautical -mile continental shelf northeast of Taiwan separeted from Japan's Ryukyu Islands by a natural line of demarcation the Okinawa Trench. More then 40 rivers exceeding 100 kilometers in length flow in to the east china sea. notably the changjing the Qiantang the oujiang. The Minjiang and the Zhuoshuixi.