Our Factories
Family relationships.
Through his family's business network, Chang has direct access to seven factories across the Shenzhen and Guangzhou manufacturing region.
Factories in Shenzhen & Guangzhou
Success rate in independent testing
Clients served by these factories
Production track record
The family network
Manufacturing is in the family
Chang's family has run clothing factories in Guangdong for years. Close family members own and operate factories of their own — and through those relationships Chang can reach seven production facilities that most buyers never see.
That means no anonymous middlemen. We know who owns the line, who runs it, and who to call when something matters.
From kilogram to vial
Inside the peptide factory
1 · Raw material (API)
The active ingredient is bought from large GMP-certified manufacturers and arrives by the kilogram, each lot with its own certificate of analysis.
View raw material COAs →
2 · Lyophilisation
In our partner factories the material is weighed, filled into vials and freeze-dried (lyophilised) into a stable powder, batch by batch.
Watch the factory videos →3 · Packaging
Vials are capped, colour-coded, labelled with their batch number and counted against the batch sheet before they leave the line.
See batch photos →
4 · Freight forwarder
Trusted freight partners move each batch to our USA warehouse, where orders are packed and shipped to your lab.
On the factory floor
Chang personally walks the production floor, talks with the workers and owners, and asks for the best production lines for our batches.
Relationships = quality
In this industry, quality follows trust. Long relationships mean our batches get the attention, the cleanest lines and honest answers.
Solving shipping
Shipping peptides internationally is hard — delays, customs and handling. Deep relationships with freight forwarders keep batches moving safely and on time.
The bottom line
Chang will leave no stone unturned to bring you the
These factories have a 98% success rate in independent testing across more than 7,000 clients over the last 7 years.
For research use only. Not for human consumption.