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.
Brown Powder OPV Material C98H138S4Sn2 Purity Min 99.0% COA Certified
|Application||For OPV Material||Appearance||Brown Powder|
Brown Powder OPV Material,
OPV Material COA Certified,
OPV Material 99.0%
C98H138S4Sn2 Purity Min 99.0% Organic Photovoltaic Materials
|Application||for OPV material|
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?