Quality Control



  • Advanced Quality Control Concept

    Adhering to the quality concept of “Success Determined by Detail, Future Decided by Quality”, the company implements strictly 3C certification of national compulsory products,EU COP Production Consistency Certification and relevant standards of the quality management system ISO/TS16949:2002. In order to guarantee the safety and quality, Sunlong Bus implements an overall and whole-process quality management that involves all staff, establishes a strict quality control system that involves every link such as research and development, procurement, manufacturing, sale and service.



  • International Production Management System

    The company promotes precision and standardization management by pursuit of continuous improvement from the setting of quality target, the implementation of 5S activity to systematic promotion of overall quality management, in order to achieve “Management Normalization, Operation Standardization, Assessment Datamation, Business Streamlining and Process Informationization”.



  • Strict Supplier Management System

    In order to enhance the quality of Sunlong Bus from the source, the company establishes a strict supplier selection, evaluation and assessment system, uses the products of domestic advanced enterprises and maintains sound quality files about a supplier. Supplier quality engineers (SQE) strengthen the inspection and tracking of key supporting manufacturers, incorporates quality management of outsourcing manufacturers into the company’s quality management system to achieve a seamless connection in terms of quality.



International Quality Management System

Quality management is the lifeblood of an enterprise, the base point of an enterprise in production and management and the source of economic benefits. Sunlong Company has been deeply aware of the importance in quality control. In order to improve the quality of products, Sunlong Company has constantly increased its investment in quality control and management all the time, and obtained many quality system certificates from internal organizations. With regard to production as well as quality control and management, it has strictly implemented various requirements of quality control system standards in order to ensure the excellent quality of Sunlong Bus and, won the trust from its consumers at the same time.



  • ISO9001:2008

  • ISO14001:2004

  • ISO/TS16949:2009

  • OHSAS 18001:2007