bulk jewelry wholesale productionfrequently asked questions Here are some answers to frequently asked questions you might have for Custom Fashion Jewels Inc. Bulk jewelry wholesale production made simple. What is the average bulk jewelry production time? Average production lead time for China is 2-3 Weeks. This Is equivalent to the same timing if you were to do production locally in the USA. How can we make sure our large volume jewelry doesn't tarnish? We have the capability to E-Coat which protects the electroplated layer on your jewelry for a longer lasting lifespan. Do you offer manufacturing in the usa? Yes, our headquarters are in Los Angeles, Ca. We have factories both in China and USA for custom fashion bulk jewelry production. How can we make sure our private lines are not duplicated? We welcome NDA and guarantee the privacy of our private label manufacturing services.