Quality control:
*We have specialized QC testers to check the quality of the products according to different customers' requirement. Usually, it's random inspection, and we also offer 100% inspection at a reasonable price if required.
*We have IQC to check the dimensions and surface of the incoming material
*We have PQC to inspect full-course during the manufacturing processing
*We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier and proceed with the professional quality and appearance inspection before shipping.



Shipping way:
1) 0-100kg: express&air freight priority,
2) >100kg: sea freight priority,
3) As per customized specifications



     1. Q: Why choose Shengao product?
     A: We Shengao have our own plant Weifang Shengao machinery Co., Ltd, therefore, we
     can surely promise the quality of every product and provide you comparable price.
 
     2. Q: Do you provide OEM Service?
     A: Yes, we provide OEM Service.
 
     3.  Q: Do you provide customized casting manhole covers?
     A: Yes. Customers give us drawings and specifications, and we will manufacture accordingly.
 
     4. Q: What is your payment term?
     A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.