We have operating delivery valve for 14 years. And we enjoy high reputation in China. Order Number: 131160-1120, 1 418 122 017, 1 148 122 057, 090140-1430, 131110-2220, 134110-0820, 134110-1720, 131110-9420, 2 418 552 001. For more order number and stamping number, please see the attachment.