The selection of color coating supplier needs a comprehensive consideration from all aspects such as the quality of raw materials, technology, service, environment, and supplier qualification. The following is the detailed index analysis of color coating supplier selection and industry standards.
(I) Material Quality Assessment
Material quality Among them the material quality is the first factor for judging whether the color coating supplier is reliable. Well-renowned color coated coils normally have mainstream stainless steel substrates like 201/304/430. ppgi coil quality of surface treatment is important: a good product should have a smooth and flat surface without any indentations or rust.
(II) Process Technology Assessment
Process technology has a direct influence on the color stability, stain resistance and weather resistance of color-coated materials. Quality color coated coils are to be treated in multilayer coating processes which involves essential procedures of pretreatment, primer, topcoat and post-treatment. Thicker coatings yield better scratch protection. In terms of process technology, whether the continuous color coating production line is adopted to prevent quality fluctuation by manual works is worthy of attention.
(III) Service Capability Assessment
Service ability is an important aspect of the vendor evaluation. Professional service attributes can be seen not only in the product delivery, but also during the whole life-cycle of business cooperation such as demand communication, sampling and testing and after-service. Sampling size is one assessment criteria, customization flexibility is as well. To satisfy the personalized requirements, it is necessary to support flexible processing methods like coiling, slitting and flat cutting. Assurance of delivery time is the most consideration, a clarify production cycle will give the commitment according to the order amount.
ZZ GROUP upholds the core value of “Integrity, Pragmatism, Innovation and Win-Win” and has been awarded the honor of “Top 100 Enterprise in China’s Steel Trade” and “Top 100 Credit Enterprise in National Steel Trade and Logistics” many times.
Fast delivery is the priority for Tianjin Zhanzhi steel group, so your project will go smoothly and on time without delay.
Our care for quality does not change; each and every roll of ppgi steel coil has been tested extensively for its reliability, so you can trust that the products delivered to you are of the highest quality.
We provide after-sales service complete, the finished products directly supply, and also can do the import customs clearance.
Post time: Jan-23-2026
