Shandong Tank Automobile Co., Ltd. manufactures a wide range of semi-trailers, including bulk cement semi trailer,oil tanker semi trailer,lowbed semi trailer,side tipper semi trailer and curtain side semi trailer, which have long been highly praised by customers for their quality and reliability.
From May 27 to 28, 2025, senior certification auditors from a Beijing-based ISO certification body conducted a two-day on-site certification and audit of our company. This ISO certification involves not only a review of our product quality but also a comprehensive audit of the company's qualifications, organizational structure, management, sales, and overall systems.
On the first day of the audit, Auditor Zhang Chen convened a meeting with key principals to clarify audit requirements and procedures. Thanks to the company's standardized daily management and complete documentation, all departments swiftly responded to material requests, significantly enhancing audit efficiency.

On the morning of the following day, after document review and confirmation, a summary meeting was held. With thorough material preparation and highly efficient coordination, the company completed the audit half a day ahead of schedule, receiving high praise from the auditors. Additionally, our previous CE and COC certifications served as significant advantages in this audit.
The successful and efficient completion of this ISO certification fully demonstrates Tank Company's Semi-Trailers' strong capabilities in quality control and comprehensive operations. It not only acknowledges our past efforts but also represents a critical step in expanding into international markets. Achieving this certification signifies that our products and services meet international standards, which will strongly enhance our global competitiveness and brand influence.
Looking ahead, the company will leverage this opportunity to accelerate overseas market expansion and promote our brand globally while strengthening relationships with existing customers.









