black trigger open 4 hole ring mechanism

black trigger open 4 hole ring mechanism/4 ring binder clip item: 4 ring mechanism material: metal color: black length: 240mm width: 20mm inner diameter: 25mm heigth: 30mm hook distance: 70mm   Other information about us: 1. About 10 years experience in plastic manufacturing 2. Upgraded the quality system base on ISO9001:2000 for production 3. Well equipped with completed facilities and professionally skilled employees 4. environmental-friendly material and quality, SGS test reports can be offered if necessary. 5. OEM service is welcome 6. All of our products are offered in a competitively low price and of high quality. You are most welcomed to visit our factory if you are convenient.  

metal clip