Henan Tongshang Import and Export Co., Ltd
Dow Pharmaceutical Grade Propylene Glycol and other products from the US.
Introduction
Our primary product line includes Dow Pharmaceutical Grade Propylene Glycol, among other high-quality offerings from the United States.
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Wenzhou Changmi Airtight Co., established in 1984, manufactures mechanical seals for pumps, with a range including Silicon Carbide, graphite Carbide, and Tungsten Carbide rings.
Our 230-year-old family business owes its success to faithful principles, customer trust, and strong supplier partnerships.
ComWin International founded in 1992, with a subsidiary producing APIs, animal healthcare, and nutritional ingredients since 2003.