Quality management:

Use the most advanced quality concepts, implement the most effective quality system, and refine to the management of every process, so that every piece of products contains customer's 100% trust on TLong.

Let internationally advanced quality management patterns to be embedded in the fields of management, quality, engineering, purchasing, and production. Let the most effective global quality systems ISO9001：2000 implemented and refined to every management process, so that the process control as an important link quality management, will be continuously advancing towards zero-defect.