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The green tides caused by the overgrowth of Ulva prolifera in the Yellow Sea of China have been occurring every summer since 2007. The green tide is a major environmental concern that involves the impacts from natural, anthropogenic, physicochemical and algae factors along with the warming of local water.
In 1952, the company was established as Japan Vacuum Engineering Co. Ltd, initially focusing on importing and selling various vacuum equipment. In 1973, the company ventured into the vacuum metallurgy business. In 2001, it was renamed to ULVAC, Inc. [3] [4] In 2014, ULVAC acquired the VAT Vacuum Products AG, a Swiss vacuum valve manufacturer.
As of 2014, the company is the 33rd largest contractor by revenue in the world. [2] The major shareholder of the company (40.8%) is state-owned China Gezhouba Group Corporation (CGGC, Chinese: 中国葛洲坝集团公司), which is in turn a subsidiary of the China Energy Engineering Corporation (Energy China). [1]
China Power Investment Corporation was the surviving legal person, but renaming to State Power Investment Corporation, while State Nuclear Power Technology Corporation became a subsidiary. SPIC also re-incorporated as a limited company from Industrial Enterprise Owned by the Whole People legal form in 2017. [ 2 ]
The company's main business focus is the export of mainland Chinese products (including energy) to Hong Kong. Its retail operations are organised under the China Resources Retail group, and include Chinese Arts & Crafts; it also runs a number of supermarkets in Hong Kong, originally under the CRC name, but now rebranded as Vanguard.
They have sanitary issues, leading to the proliferation of mosquitoes and increased demand for mosquito repellents. Nonetheless, new items with unique designs have emerged; for instance, an anti-mosquito repellent wristband that is waterproof and effective in repelling mosquitoes is one of the revolutionary products.
Japan both used and stored chemical weapons on the territory of mainland China between 1937 and 1945. [28] They left approximately two million tons of chemical weapons in China at the end of the war. [29] The weapons mostly contained a mustard gas-lewisite mixture. [30] They are classified as abandoned chemical weapons under the CWC.
The YTO Group Corporation is a Chinese agricultural machinery and construction machinery manufacturer part of Sinomach, a comprehensive machinery conglomerate. Although composed of many subsidiaries and divisions, the company is best known for manufacturing a range of farming products including tractors and combine harvesters.