We always carry out ISO9001 Management Quality to satisfied with the customers' need.

ZongYi stone provides impressive after-services according to our every project " Quality comes first ,services comes first," helps ZongYi stone enjoy a great reputation among customers and in the engineering field.

We exam strictly from blocks and to products. QC department not only exam every product from one to one but also exam one procuct from all.We ensure the examing result real and exact.

QC Department will record the quality the processing product and analysis the examing results. According to P-D-C-A managing recycling and improving qulaity work , we'll try our best to give you the best production.