DONGYU USI is a premier distributor for full line of L-Carnitine products and sourcing hundreds ingredients for its in-stock program, with facilities in Los Angeles and New Jersey. Our manufacturer located in Shenyang ,China, allowing us to deliver both distinctive products and professional service at the most competitive price. Our goal is to bring the highest quality products to Nutrition, Food & Beverage industries, provide up-to-date market information and insights on the latest pricing tre...