The manufacturer has well-rounded producing line under EPR quality system.
Yes, the sample is free, and the mail is collect payment.
We can arrange third party inspection or test before shipment.
we pack the PTA in poly-woven bags with inner plastic membranes, common 1200 Kgs per bag.
L/C and TT is both acceptable
Yes, under the friendly negotiation.
Usually after 7-10 days after we receive L/C or TT.