婷婷五月伊人,亚洲国产精品免费,日韩午夜福利在线观看,一区二区午夜按摩,久久精品国产免费,国产免费a级片全部,成人黄片在线播放

Main Products
Products Grade: XGJG72A
Specifications: φ5.5-6.5mm
Applied Standard:  agreement
Characteristics: this product is used to produce rubber tube steel wire.
Applications: Hign carbon steel wire
Use of Products: This grade has the feature of stable chemical composition, low harmful elements, minor decarburization, good surface quality, high sorbite percentage, homogeneous properties along the coil, good plasticity and ductility.