Shenzhen Koster metal products Co.,Ltd, which is a large professional company in manufacturing and exporting various standard and nonstandard fasteners, especially self-clinch fasteners. Since established, Jingyang achieved stable and rapidly development with our customers’ support and our staff’s endeavour. We have more than one hundred Full-Automatic Numerical Control Equipments and fifty-three Ancillary Equipments at present. Our capacity reaches to 9-12 billion pieces per month. Our main products includes: self clinching nuts, standoffs, bolts; panel fasteners; inserts of plastic nuts; welding nuts; spot welding nuts; retractable screw; crown screws; tapping screw; ballooning fasteners. We also deal with various kinds of nonstandard fasteners in order to satisfy our customers. The first in quality, the most important in service is company’s principle. We have a perfect quality assurance system and management and offer better qualification and reasonable system to satisfy our clients in order to appreciate for all customers’ support. Welcome your orders , visit and technique consultation.