A: After production, all articles are delivered to QC center, only qualified products can be release to
the next procedure. Meanwhile, You are welcome to ask for free samples.

A: Proforma Invoice will be sent first after confirmation or order together with our bank infomations.
Pay by T/T, Westren Union or Alipay.

A:Yes, we had already do OEM service for more than two world famous Brand in chromatography area.

A:For vials & caps moq is 1pack(100pcs), for hand crimper moq is 1pcs,for syringe filter moq is 1pack(100pcs)