What is the standard production lead time?
Standard lead time 2–6 weeks; in-stock 3–5 days; rush service 7–10 days at 15% surcharge.
How stable is the concentrate during storage?
Storage stability, acid value and peroxide value verified qualified per batch; 18–24-month shelf life.
What is your sample policy for the concentrate?
Free 100–250 ml samples, freight collect; COA and technical datasheet included with every sample.
How consistent is the sample compared to bulk production?
Sample and bulk matched via same-batch sourcing and COA-verified acceptance baselines.
What is the shelf life and what are the storage conditions?
18–24-month shelf life; store below 25°C, sealed and away from light; acid/peroxide value stability verified.
What is your return and refund policy?
Replacement/refund for verified defects, top-up for leakage/shortage; claims within 30 days, 15 working-day refund processing.
Can you handle rush orders?
Rush production 7–10 days (+15%) or super rush 3–5 days (+25–30%); best scheduled in off-peak months.
What regulatory documentation support do you provide for import registration?
Full registration package: COA, spec sheets, heavy-metal/pesticide reports, MSDS, composition statements and market support.
How do you control quality during concentrate production?
Five-stage QC: intake, process control, finished testing, compliance testing (ICH Q3C/metals/pesticides/micro), stability release.