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专业可靠的供应体系，一批高素质、经验丰富的团队，先进的服务体系，严格的质量保证体系，雄厚的资金实力，得到金融、保险、物流的支持与合作。 -
证书
我司及工厂/供应商均通过ISO9001-2008质量管理体系认证； 我们的产品拥有不同的认证，包括 CE、WRAS、API、UL/ULC 列表、FM 认证、水标和其他类型的认证。 -
Factories
Excellent and Professional factories for all products, include valve factory, pipe fitting factory, flange factory, pipe factory and other factories.
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河北机械进出口有限公司于2005年10月改制为股份制外贸公司，其前身中国机械进出口总公司河北分公司成立于1974年10月，是我国最早的进出口公司专注于河北省机电产品……
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阀门
A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In an...
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阀门铸造材料
Casting Materials of Valves ASTM Casting Materials Material ASTM Casting SPEC Service Carbon Steel ASTM A216 Grade WCB Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +800°F (+425°C) Low Temp Carbon Steel ASTM A352 Grade LCB Low temperatu...
