Seamless steel pipe factory certificate requirements
1. The seamless steel pipes delivered in each batch shall be accompanied by a quality certificate to prove that the batch of steel pipes meets the requirements of the order contract and product standards.


2. The quality certificate is stamped by the manufacturer's quality supervision department or the designated person in charge.


three. The factory certificate should include the following:
a) the name of the manufacturer;
b) the name of the buyer;
c) the contract number;
d) product standard number;
e) steel grade;
f) furnace number, batch number, delivery status, weight, number of roots (or number of roots);
g) the name, specification and quality level of the variety;
h) test results specified by product standards (including reference performance indicators);
i) identified by the technical quality supervision department;
j) Quality certification bookmark date or delivery date.