Protocatechualdehyde CAS 139-85-5 Purity 99%

Q : What is your terms of payment?
A : T/T 30% as deposit, and 70% before delivery or 100% L/C at sight.
Q : How to confirm the Product Quality before placing orders?
A : You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q : How about the delivery time?
A : Within 7 days after payment confirmation. (excluding Chinese holidays)
Q : What documents did you provide?
A :We usually provide commercial invoice, packing list, shipping list, waybill, health certificate and certificate of origin. If
there are any special requirements in your market, please let us know.Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.
Q: How do you deal with quality complaints?
A : First of all, our quality control will ensure our quality. If we cause real quality problems, we will once again provide good
products or refund your losses.
Q : How do you make our business long-term and good relationship?
A : 1. We keep good quality and competitive price to ensure our customers benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
Q : Do you have stock?
A: Yes, we have all our products in stock. Our annual output is 200 tons. No matter when you order, we will ship within 1 to 3 days.
Q : Why should I choose you?
A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over
5years, in average.Strict quality control-comes form our sophisticated management system.Professional and warm sales team-since we
believe we can only win via our hard work in a competitive worldQuick response and excellent presale and after sale service-since
we believe our customers deserve all the best service.
Q : Can I get best price from you?
A: Of course. We don't chase excessive profits and alway