What grade does FOSS oil belong to?

Flowserve engine oil belongs to high-grade engine oil brand in Germany. Founded in 193 1, FOSS Engine Oil is one of the largest professional lubricant manufacturers in the world, with operations in more than 80 countries around the world, and is also one of the most important lubricant suppliers in China's automobile manufacturing industry. Its strong brand influence makes FOSS engine oil have a high reputation and recognition in the market. Flowserve Engine Oil is a professional lubricant manufacturer in Germany, established in 193 1 and headquartered in Mannheim-sur-Rhine, Germany. Known for its first-class technology, innovative spirit and high-quality products and services, the company is one of the largest independent lubricant manufacturers in the world, with operations in more than 80 countries around the world.