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The company's products have passed testing and certification
2019/02-232019
The company's bulletproof, anti-theft, fireproof, and explosion-proof doors have passed the national level testing and certification of 200gTNT overlay blasting
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Advantages and disadvantages of cast aluminum doors
2019/09-072019
The melting point of aluminum is 660 ℃, the melting point of iron is 1535 ℃, and the melting point of ordinary steel is around 1500 ℃. The melting point of aluminum is very low
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AK-47
2019/06-292019
AK-47 Automatic Rifle (Russian: 1947- год Автомат Калашникова， The 1947 Kalashnikov rifle (AK-47 Assault rifle) is an assault rifle designed by Soviet firearms designer Mikhail Dimofeyevich Kalashnikov.
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Serious criminal case where a man commits murder with a knife
2019/02-232019
A serious criminal case occurred in Huining County, Baiyin City, resulting in 8 deaths and 7 injuries.
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