Lara SchenkIt is Amazing that Feiming service exceed our expectation, really professional on consulting, customising, delivery, after-sale service.
StevenFeiming can supply a variety of high performance material with sufficient inventory, service is really terrific.
SAH OPV Materials 4-(Tridecan-7-Yl)-4H-Dithieno[3,2-B:2',3'-D]Pyrrole CAS 1158270-38-2
SAH OPV materials,
OPV materials SAH,
SAH 4-(Tridecan-7-yl)-4H-dithieno[3,2-b:2',3'-d]pyrrole CAS 1158270-38-2
1. Quick lead time
2. Low MOQ
3. Quality assured with COA
4. Full experience in shipping
5. Free consulting service
6. custom service welcome
Q1: What is your regular lead time for sample and official order?
A1: Sample lead time 5-7 days. Official order lead time 14-21 days.
Q2: What is your MOQ?
A2: MOQ usually is 1kg.
Q3: How you control product quality?
A3: From raw material inspection, dupro inspection to final product inspection are executed strictly.
Q4: What is your warranty policy?
A4: We will send you a new batch if there is any quality issue during warranty time
Q5: Do you refund if customer receive defective product and do not accept replacement?