Hebei runhong pipeline Co.ltd
Quality is the enterprise eternal theme
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a182 f304l blind flange
1.We are a manufacturer,the national high quality 20# steel (Q235), high-temperature 1200 rolling and into.
2.Company development and production of the new generation of concrete pump truck pipe flanges and wear-resisting, forgings with high-tech heat treatment technology, hardness of 62-64 °.
3.This series of products for high wear-resisting hardening of the product, the product is high abrasion resistance and its advantage than ordinary pipe fittings of long service life.
4.Stable product quality, the price is cheap.