Shandong Zhongjin Steel Industry Co., Ltd. was founded in 1989 and is located in Boxing Country, Shandong Province, which is the biggest steel trade market. We have been specialized in manufacturing prepainted galvanized steel coils (PPGIs) of various specifications for many years. Our company has been certified by ISO9001:2008 and SGS quality systems. Our company has gained a wide market and high appreciation of customers. We have a strong technical department, which forms a good base for ...