Shijiazhuang He Ao Trading Co., Ltd. established in 2024, specializes in international lubricant additives. Located in China, we operate two factories producing a wide range of additives and synthetic base oils. We partner with leading testing agencies for quality assurance and offer customized solutions. Our services include product testing, usage guidance, and API certification consulting. With global business contacts, we aim to provide efficient, reliable trade and establish long-term partnerships.