PE-lined G. I Pipes w/ Flanges
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The outside is Galvanized Steel Pipe, and inside material is HDPE, and at the two ends, there are HDPE-lined Galvanized Flange, which is good enough in using of water supply, chemical factory, coal factory etc. For which we have exported to Thailand and Malaysia and are widely used in big cities in China.
And it is the best substitute of traditional stainless steel pipes and al or cooper pipes, and the price is also very competitive.