Seller dzsy

shandong shuangyi group is a modernized enterprise which is integrated with design, manufacture and service of composite material products. shuangyi group covers total area of 210,000 square meters, we have four productions bases: headquarters of shandong shuangyi group co.,ltd.(south factory) north factory qingzhou branch company of shuaangyi group lingxianbranch company of shuangyi group we have passed iso90012008, iso14001-2004, gb28001-2001 and awarded a “shandong contract-honoring & promise-keeping unit”.