PCBA + metal Serial & Parallel expansion card

{"cid":"123228","pid":"22653823","pimg_url":"\/\/img1.b2bforus.com\/53\/85\/d55629e71255\/product\/76645948_s-w400xh400.jpg","name":"Printer PCI to Dual DB9 RS232 Serial Port Expansion Controller Card","attrs":{"Price":"$5.40(100 - 999 Pieces) $5.20(1000 - 9999 Pieces) $4.80(>=10000 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"YUJIE"}}

{"cid":"123228","pid":"22653807","pimg_url":"\/\/img1.b2bforus.com\/53\/85\/d55629e71255\/product\/76645882_s-w400xh400.jpg","name":"High Performance Touch Panels AX99100 PCI Express To 4 Serial Port Riser Card With Low Profile","attrs":{"Price":"$8.20(10 - 99 Pieces) $7.20(100 - 999 Pieces) $7.05(1000 - 9999 Pieces) $6.40(>=10000 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"YUJIE"}}

{"cid":"123228","pid":"22653791","pimg_url":"\/\/img1.b2bforus.com\/53\/85\/d55629e71255\/product\/76645797_s-w400xh400.jpg","name":"Touch Screens 8 PCI-e DB9 RS-232 Port Serial Riser x1 Controller Card With Low Profile Bracket","attrs":{"Price":"$35.00(1 - 9 Pieces) $32.00(10 - 99 Pieces) $30.00(100 - 999 Pieces) $28.00(>=1000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"YUJIE"}}