In the industrial field, large-caliber gate valves are widely used in many industries such as water supply and drainage, petrochemical, etc. However, due to their large size and excessive weight, traditional large-caliber gate valves not only increase the difficulty of transportation and installatio
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In the industrial field, large-caliber gate valves are widely used in many industries such as water supply and drainage, petrochemical, etc. However, due to their large size and excessive weight, traditional large-caliber gate valves not only increase the difficulty of transportation and installatio
