OUR SERVICE: 
Samples:  
1) we can make the samples according to customer's samples or designs.
2) Our designer team can finish the samples timely, the exact sample delivery time depends on thesample's style, usually in 15 working days.
3) For New design samples, the buyers have to pay for the relative model fee. (When your order reach a certain amount, we will return back the model fee to you

Price Terms:
FOB, CNF,CIF.etc.

Payment Terms: 
1) T/T, 30% T/T deposit before production, pay the balance before shipment.
2) L/C at sight (for large quantity order)
3) 100% T/T in advance for D/P

Quality control and inspection:

1)  Will be check by QC when Material & accessories inspection up arrival
2)  In line control on Each Step 
3)  Every one valve will be comprehensive review before packing
4)  Item Usage: above 5 years