First, you should ask your raw material supplier, who should have standards. Where there are no national standards or industry standards, there must also be enterprise standards.
Second, there is no standard. You can formulate corresponding internal control standards according to your own production requirements. The quality supervision bureau did not insist that raw materials must have standards.
Third, you can formulate your product enterprise standards, and make an appendix for raw materials without national standards in the last part of the enterprise according to your internal control standards.