Drip Edge, Metal Roof Flashing, Aluminum Soffit manufacturer / supplier in China, offering 0.5inch X 10feet Colorful J-Channel Metal Siding Trim in The USA/Canada Market, Custom 1/2inch X 12feet 0.46mm Aluminum J Channel Trim in Ral Color for North America, ASTM Standard 26gauge Colorful W/V Type Metal Valley Flashing for Roof and so on.