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Wenzhou Shuangneng Valve Co., Ltd. specializes in manufacturing corrosion-resistant stainless steel, duplex steel, and specialty alloy flanges, pipe fittings, and custom components for 20+ years. Compliant with ASME, DIN, JIS, and GB standards, we offer OEM solutions with MOQ 1 unit. Ideal for harsh environments in oil/gas, chemical, and marine industries.
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08 2025-03 
