Stainless Steel Manifold, Plastic Pipe End Caps, Plastic Flange Face Covers manufacturer / supplier in China, offering ASME B16.5 Plate Flange (YZF-F105), ASME B16.5 Welding Neck Flange (YZF-F166), Ss 304 Welding Neck Flange (YZF-F183) and so on.