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固定球閥
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DBB閥（雙球閥）
http://www.chineseprestige.com/product/DBB-valves/5540.html
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浮動球閥
http://www.chineseprestige.com/product/Floating-ball-valves/5488.html
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低溫球閥
http://www.chineseprestige.com/product/Cryogenic-ball-valves/5541.html
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自控球閥
http://www.chineseprestige.com/product/Actuated-ball-valves/5539.html