Please respond if you are a reliable partner and can produce all types of custom keychains and lapel pins, coins. 2D and 3D PVC, pewter, brass die struck, zinc alloy die struck, die cast, etc.  We need 2 or 3 week production. Prefer factory close to Ningbo. We purchase often, in all qtys from 500 to 50,000 and more. Thank you.