Shanghai Wenbao Seal Technology Development Co., Ltd.Which is a company with more than 20years history.We chief products are ,stamp materials.stamp machine.flash stamp machine.stamp pad .stamp ink,self-inking stamp, number stamp, dater stamp, cartoon stamp, weding stamp, individual stamp, toy stamp, stamp pen and other stamp related products. We also provide OEM service, welcome all the customers from home and abroad to visit our company, we are sure our joint effort will benefit us both.