Sunresin is a global leader in ion exchange and adsorbent resins, delivering advanced purification, separation, and extraction solutions for highly regulated industries. With deep expertise in life sciences, we support the entire value chain—from antibody and protein purification (Protein A, ion exchange, multimodal, HIC) to peptide and oligonucleotide synthesis, biocatalysis, and APIs—enabling robust and efficient downstream bioprocessing for biopharmaceutical manufacturers.

Our capabilities are backed by five ISO‑certified automated manufacturing plants, a 70,000 m³ annual production capacity, and a global team of 1,400 employees, ensuring consistent quality, continuous innovation, and reliable supply for customers worldwide.