Shandong Da Zheng Sanjiang industry and Trade Co., Ltd.   

ISO 9001:2008 quality management system certification is located at No. 3 Da Zheng Road, Ji'nan hi tech Development Zone. The factory covers an area of 7000 square meters, with 600 square meters of one workshop, 300 square meters of integrated office, and one branch in Ji'nan, which has branches and purchasing departments. The products are: phosphating solution, middle and low temperature zinc phosphating solution, zinc phosphating solution at room temperature, high temperature manganese phosphating solution, iron phosphating solution, scrubbing phosphating solution, drawing phosphating solution, black phosphating solution, medium and low temperature metal cleaner, degreasing agent, titanium surface modifier, passivating agent and rust inhibitor more than 20 kinds of pretreatment agents. The company was founded in May 1998 and passed. The annual comprehensive production capacity is 2500 tons. Our company has six offices in Tai'an, Qingdao, Zhengzhou, Dezhou, Hengshui and Baoji, covering more than 200 users in four provinces of Shandong, Henan, Hebei and Shaanxi. Business involves steel pipe, wire drawing, automobile, household appliances, electrical appliances, communication equipment, steel wood furniture, plastic spraying processing and other industries. Our company takes the pioneering spirit of "grasping the times and leading the future" by constantly absorbing new technologies and new ideas, continuously developing new products, improving original products, actively integrating with the world, and constantly combining excellent technological innovation ability, sound marketing network, strong manufacturing capacity and rich industry experience, creating new brilliance with the good wishes of "sincere cooperation and common development" with users. All the colleagues of the company are determined to achieve win-win results with the customers by "high quality products and excellent service", and develop together with the times, providing customers with high quality pre-sale, sale and after-sales service. Http://www.sddzsj.cn