The quotation is generally valid for about 3 months, and the quotation for special products is valid for 1year, 1 month, 15 days, and 5 days, pls. check with us before you send us purchase orders.
Long-term supply of commercial intermediate chemical products: AOLISENCHEM will actively update you a new quote every month.
Customized products purchased in stages: AOLISENCHEM will actively update you a new quote every 2-3months.
First quote to you and you are a new customer: AOLISENCHEM will actively update you a new quote every 5-10days, unless you tell us you not willing to receive.
As one of the best api producers, AOLISENCHEM are proud of the quality of our products. However, if your material testing results are different with AOLISENCHEM, pls. let us know it at the first time, we will give you a solution within 3-5days.
AOLISENCHEM also confirm that we will refund the payment within 3-5days if the product does have a quality problem.