About Us

FAQ

What products & services do you provide?

We supply high-quality API, pharmaceutical intermediates, and provide professional CRO & CDMO services including custom synthesis, process R&D, scale-up production and regulatory support.

What’s your MOQ (minimum order quantity)?

MOQ is flexible. For stock products, we accept small quantities for trial order; for custom & CDMO projects, we can provide from mg grade to commercial scale.

Can you provide free samples?

We can provide small samples for quality evaluation. Customers usually bear the shipping cost, and sample fee may be waived depending on the product and quantity.

Do your products support international regulatory requirements?

Our APIs & key intermediates comply with ICH, USP, EP, CP standards. Relevant facilities support GMP; we can provide COA, MSDS, route of synthesis, DMF/CEP support as required.

What’s your typical lead time for orders?

For inventory products: 1–3 working days.
For custom synthesis & non-stock products: 1–4 weeks based on quantity and process.
CDMO projects are confirmed case by case.

What payment terms do you accept?

We accept T/T, L/C, Western Union, etc. Specific terms are negotiable according to cooperation mode and order amount.

Can you support custom synthesis & process optimization?

Yes. Our R&D team provides custom synthesis, process optimization, scale-up production for complex intermediates and APIs, which is our core CRO/CDMO service.

Do you accept confidential projects?

We strictly protect customer intellectual property. We can sign CDA/NDA before any project discussion to ensure full confidentiality.

What documents can you provide?

COA, MSDS, HPLC, NMR, route of synthesis, stability data, DMF/CEP filing support, GMP documentation for regulatory audit.

How do you ensure product quality and supply stability?

We have long-term cooperative GMP factories & strict QC system. We carry out full inspection before delivery. For long-term customers, we can provide inventory & stable supply plan.

Is Cosper a manufacturer or trading company?

We are a direct manufacturer with our own factory in China.

What scales do you support?

From mg pilot → kg trials → tons production.

Are your products GMP-certified?

Yes. Our factory is GMP-certified and aligned with US FDA & EMA standards.


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