ຂາຍສົ່ງສະແຕນເລດ ຫຼືເຫຼັກກ້າຄາບອນ Roll Spring Straight pins hollow. Custom Stainless Steel Hollow Internal Thread Pin Female Threaded cylindrical Pin. CNC milling & turning , ການຜະລິດໂລຫະແຜ່ນ, ການກັດ, deburring, tapping, drilling, cutting, knurling, laser marking, wire EDM, CAM programming and outsource service.