Shanghai Yunsong Chemical Co., Ltd.

We are a manufacturing-oriented company specializing in pharmaceutical and chemical intermediates. With dedicated production facilities and an experienced technical team, we focus on the development, scale-up, and manufacturing of intermediates for pharmaceutical and fine chemical applications.

Our product range covers oncology-related intermediates, boronic acid derivatives, heterocyclic compounds, indole derivatives, aromatic acid intermediates, and other specialty chemical intermediates. In addition to standard catalog products, we also support customized and project-based requirements.

We provide contract synthesis and project manufacturing services, supporting customers from process development and optimization to pilot trials and commercial-scale production. Quality control, process consistency, and reliable delivery are integral parts of our manufacturing operations.