WST vs LI Comparison

West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.

Li Auto is a leading Chinese NEV manufacturer that designs, develops, manufactures, and sells premium smart NEVs. The company started volume production of its first model Li One in November 2019. The model is a six-seater, large, premium plug-in electric SUV equipped with a range extension system and advanced smart vehicle solutions. It sold over 400,000 NEVs in 2025, accounting for about 3% of China's passenger new energy vehicle market. Beyond Li One, the company expands its product line, including both BEVs and PHEVs, to target a broader consumer base.