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13003106660Author：Shanghai Lianggong ValvesTime：2021-04-20 11:04:30 次浏览
In 1973, the high-pressure gate valve for offshore oil extraction was successfully trial-produced, and the product was first applied to China‘s first exploration vessel No. 1. In 1994, it was awarded the ISO9001 international certification by the Norwegian Classification Society. Main products: Related to military industry, confidential. Strategic partner: Involves the military
◇ In 1973, the high-pressure gate valve for offshore oil extraction was successfully trial-produced.
◇ In 1994, it obtained the ISO9001 international certification from the Norwegian Classification Society.
Main products：
It involves military industry and is confidential。
Strategic partner：
It involves military industry and is confidential。
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