DIN3352/EN 1171 DN350-DN800 Big Size Blow Off Valve

DIN3352/EN 1171 DN350-DN800 Big Size  Blow Off Valve

1. Help customer to design, making drawing of  Blow Off Valve;

2. Providing free samples + dimension inspection report + material report;

3. Checking raw material, and inform customer before mass production;

4. Informing customer production schedule weekly;

5. Arrange shipment, and Inform customer in advance 7 days before finishing the order;

6. Before shipment, send the detailed product pictures, dimension inspection report, material report to customer;

7. Welcome customer inspection and the third party inspection;

8. Expressing original document; 

9. Contact us for more information;