Non-Standard Metal Parts manufacturer / supplier in China, offering Mts-Drilling Modified Truss Head Self Drilling Screw, China Hot Selling High Strength Stainless Steel 304 316 M3 M6 M8 M10 M16 Ceiling Wall Anchors, Wall ISO Metal Standard 6X40 Bolts Yellow Rust 4.8 Galvanized Carbon Steel 4.8 Grade Ceiling Anchor and so on.