Quality and Service


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Custom Peptide Synthesis

Based on our own protected amino acids,Hanhong can provide custom synthesis peptides at lowest price in China.

Custom RNA,DNA Cynthesis

Based on the core technologies of the RNA,DNA monomer synthesis, the modified siRNA,DNA oligo synthesis and the fluorescent labeling ,Hanhong provide whole-angle custom DNA,RNA synthesis,. Low price, high quality and quick deliver is our advantage.

Custom Organic Synthesis

With strong research and production teams equipped with top quality facilities , we can provide Custom Synthesis products from grams, kilograms to tons, especially heterocyclic building blocks and chiral chemicals.








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Quality and Service

Quality of product is assured through multiple assurance steps starting from raw material control, it includes but not limited to: material test and release, master batch sheet approval, executing batch sheet approval, batch sheet implementation monitoring, QC in process control and intermediate test, batch sheet review, product release, pre-shipment inspection and sample delivery, shipment tracking.

We believe that quality of product is not obtained from test, it's built into product in each step of supply chain such as product process design, manufacturing, sales etc. by numerous quality assurance activities. Quality systems approach to pharmaceutical current dood manufacturing practice regulations.

We have the following procedures in our quality systems to  monitor the quality of products throughout the whole  manufacturing process and even up to inventory:

Raw Material Quality Inspection (RMQ)
In-Process Quality Inspection (IPQ)
Final Product Quality Inspection (FPQ)
Certificate of Analysis (CoA) for our every lot of products
Maintain retained samples of each lot for analysis

list of techniques uesed in the products management and  inspection:

HPLC Analysis

MS Analysis

Spectroscopy (UV-Vis, IR, NMR)

Elemental Analysis

Acid-Base Titration,

Thin Layer Chromatography (TLC)

Specific Optical Rotation

Karl Fischer Titration

Stability Test

Melting Point Test

Sales Department :Room 206-209, NO.1 Building , NO.245,Jiachuan Road, Xuhui District, Shanghai, China . E-Mail:info@hanhonggroup.com