石英砂（二氧化硅）板材,8-16、26-40，40-70,70-120，微粉

在产品检测过程中我们严格按照质量标准来组织生产检测，通过生产流水线每道工序的自检，互检和专职半成品检验、成品检验的严格细心把关，我们确保每批产品都是性能可靠的产品。欢迎新老客户联系前来指导洽谈

In the process of product testing we strictly in accordance with the standards to organize production testing, through the production line every process of self-inspection, mutual inspection and full-time semi-finished product inspection, finished product inspection strict careful check, we make sure that each batch of products is a reliable product. Welcome new and old customers to contact to guide negotiations