Machining Parts, Hardwares, Screws manufacturer / supplier in China, offering China Custom M2.5-M6 Stainless Steel/Brass Male Female Thread Hex Spacer/Pillar/Stud/Standoff, Custom Plastic Fr-4 Epoxy Fiberglass Slotted Pan Head Screws, CNC Machining Fastener, China Custom Precision CNC Machining Spacer, Peek Plastic Slotted Sleeves and so on.