Superior quality and perfect service are the gate pass for an enterprise to occupy market. The market satisfaction of “DONGGANG” products is up to 100%.
The company has established a product quality supervision and control center. Product quality control activities run through the whole process of product quality. Various production links have been established strict control, supervision and improvement mechanism. Quality control points of various working procedures have specific control target and control means.
Corporate product quality testing method has reached industrially-advanced level. Our advanced testing equipment include: 6 infrared carbon-sulfur analyzers; 6 direct-reading spectrometers, 4 X-ray fluorescence spectrophotometers; 2 oxygen nitrogen hydrogen analyzers, 8 electro-hydraulic servo universal testers, 4 pendulum impact testers; 4 Zeiss microscopes, and 2 40kg experimental coke ovens, which guarantee timeliness, accuracy, authenticity and reliability of various production links and product quality detection data.