We have been investing 10% profits to design new DIY household products and making at least 10 kinds of new products every quarter. At present,we have 10 experienced R& D clerks who have been in hardware line more than 5 years. Our wire shelving sample lead time is less than 3 days . other metal product sample is just 5 days.If you have any new OEM metal products ,we welcome you to inquiry us at any time.