Pyromellitic dianhydride (PMDA) is employed as a curing agent for epoxy agent resins used for casting, laminating, the manufacture of moulding powders, adhesives and coatings.
We supply our existing products steadily and provide continuous and perfect after-sales service to help our customers solve all kinds of questions during the process of using the products.
We pay close attention to the international and domestic market trends constantly, enriching the latest products reserve for future use to provide customers with more updated choice of pharmaceutical intermediates and nutrition ingredients.
We continue to research and practice to improve product performances such as Solubility, bioavailability, hygroscopicity…etc to make our products more in line with customer application requirements.
We also provide full customize service such as research and develop, laboratorysmall-scale trial test, scale up production and cost accounting according to the chemical structure, quantityand quality requirements provided by our customers.
For small samples quantity <1 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags.
For medium quanity 1-25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags, then packed in cartons or small drums for shipping.
For larger quanity >25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags OR bigger size double seal PET bags for 25kgs in bulk then packed in drums for shipping.
Please contact us for more details if you have any question!
FAQ
Q:How to order a sample for quality testing purpose before your commercial order?
A: We do provide our clients small sample for quality testing purpose (Sample size form 1-50 grams). Free samples can be provided for some products due to the material cost, Our clients only need to pay the international shipping cost or provide us your Fedex/DHL account number so we can arrange the shipments. so please contact us in details by email for Trade manager on Alibaba online.
Q: How to start orders or make payments?
A: You can send us your Purchase order(PO), or just send a simple confirmation by email or by Trade Manager, after communication then we will send you Proforma Invoice with our bank details for final confirmation, then you
can make payment accordingly.
Q: What’s our Minimun Ordering Quantity (MOQ)?
A: For the high value products, our MOQ starts from 1 gram and other products generally starts from 1 kilogram. For other low value products, MOQ can be started from 10kgs to 100kgs.
Q: Is there a discount?
A: Yes, we offer lower prices for larger quantities. There will be difference prices range on our quotation list so please inform us what quantity you will be after.
Q: How do we guarantee our products quality?
A: First of all, our quality control system will reduce our quality problem to near zero.We can always provide our certificate of analysis according to every batch of our products.We can also provide third party analysis testing due to our clients' requirement.
If there is any quality issue caused by us, we will send you free goods for replacement or refund your loss.
Q: How to contact us ?
A: You can contact us thought inquiries to message box of any of our products displayed or contact us online on Trade Manager on Alibaba. You can also sent us emails to our company email address or simply call us at anytime!
