I plant is the production of professional trade flange series factories, factory, founded in 1986.

我厂是生产外贸法兰系列的专业工厂，工厂创建于1986年。

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Note: The structural length connecting flange size of ball valve series can be designed manufactured as per users 'requirements.

注：系列球阀结构长度及连接法兰尺寸可根据用户要求设计制造。

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SF (b) series adopt special twisted blade design and flange flanging casing, which makes the noise lower and the air volume larger.

本系列风机的叶片采用特殊扭曲孤度设计，机壳采用法兰翻边工艺，使风机噪音更低，风量更大等特点。

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