| No.517 Shandong Road, Rizhao, Shandong, China | jiejinggroup@gmail.com |
| No.517 Shandong Road, Rizhao, Shandong, China | jiejinggroup@gmail.com |
The quality control is carried out throughout all the process. The Quality Department consists of the Central Lab and Middle-process Control Lab, and professional measurement technicians are equipped at each plant. From the raw material, adjuvant material to the finished product, each key quality control point shall be inspected and tested by the professional and experienced technicians. Any unqualified products are not allowed to come into the warehouse, let alone the shipment. All products that have been shipped shall be sampled and stored for one year, ensuring to track its quality if required.
