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No88 Xinxiu Road, Fengquan District,Xinxiang,Henan,China China
联系人 Ms. June Yu
办公地址 No88 Xinxiu Road, Fengquan District, Xinxiang, Henan
Sulfonated Asphalt Sodium is a proven extensively used drilling fluid additive with many fine properties. Its
SPNH is a kind of drilling fluid filtration reducer composed by sulfonated phenol-formaldehyde resin and sulfo
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