NANJING YINGWEN BIOTECHNOLOGY CO LTD
We are Aeechem, a global leader in the research, development, and production of high-value pharmaceutical intermediates and building blocks. Headquartered in Nanjing, China, we operate a dedicated R&D center locally and maintain GMP-compliant manufacturing facilities in India. By combining deep expertise in custom synthesis with highly scalable production capabilities, we empower the world's most innovative biotech and pharmaceutical companies.

Our R&D team continuously expands a dynamic portfolio that includes proprietary patent-pending molecules and complex high-end intermediates. Through technical excellence and continuous innovation, we sustain a leadership position in the global advanced intermediates industry.















