CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Wheel Nut Mushroom Head Wheel Lock Lug Nuts Spherical Collar Hexagon Nut, Gr5 Titanium Brake Bleed Screw Nipple Bolts Motorcycle Calipers Oil Drain Deflation Screws, Fasteners Cup Head Square Neck Bolt Carriage Bolt DIN 603 Carbon Steel M12 M14 M16 M20 and so on.