Dear Purchasing Manager, Nice day!This is Emily from Uniontechcircuit ,which specialize in membrane switch for many years. We accept OEM orders for all types of membrane switches, membrane keyboards, and flexible PCBs. If you are interesting, please feel free to contact me. Thanks & Best Regards, Emily Guangzhou Union Tech Circuit Co., Ltd Add:NO.Wanshe buiding,No.13 Sandong A venue East,Huadu Area,Guangzhou City,Guangdong Province,China 510800 Website:www.uniontcehcircuit.com Email:switch_33@163.com