Autol, a leading company in the centralized lubrication industry, has focused on the centralized grease lubrication system for more than ten years, focusing on the research and development. The testing center of Zhengzhou Auto Technology Co., Ltd. (hereinafter referred to as the Autol Testing Center) It was approved by the China National Accreditation Service for Conformity Assessment (CNAS). Listed in the list of authorized institutions, registration number: CNAS L12140, date of issue: April 3, 2019, valid until: April 2, 2025. It shows that the Autol Testing Center has fully possessed the technical capabilities of the national authoritative testing service.

CNAS is the English abbreviation of the China National Accreditation Service for Conformity Assessment. It is a national accreditation body approved and established by the National Certification and Accreditation Administration. It is responsible for the accreditation of certification bodies, laboratories and inspection agencies. The agency is the only institution in the country that is qualified to issue nationally accredited laboratories.