ShaoXing ShangYu Yup Lighting Co., Ltd. is a leading China Qtz 20 x 23 x 508mm COE 20" CLOSED ONE END manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our Qtz 20 x 23 x 508mm COE 20" CLOSED ONE END have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our Qtz 20 x 23 x 508mm COE 20" CLOSED ONE END services, you can consult us now, we will reply to you in time!