According to the production method, it can be divided into pushing, pressing, forging, casting, etc.
The manufacturing standards can be divided into national standards, electrical standards, ship standards, chemical standards, water standards, American standards, German standards, Japanese standards, Russian standards, etc.
According to different shapes and purposes, it can be divided into: grooved elbow, ferrule elbow, double socket elbow, flange elbow, reducing elbow, dead seat elbow, internal and external tooth elbow, stamping elbow, push elbow, socket elbow, butt welding elbow, internal thread elbow, etc.
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