Shandong Tongrun Import & Export Co., Ltd. is located in Jinan City, Shandong Province, China, relying on Shandong Tongrun Wujiao Chemical Factory. It is a dynamic hardware group enterprise with many years of experience, specializing in R&D, production, marketing and service of architectural hardware products. The main business scope includes building materials, hardware and electrical equipment, mechanical equipment, metal materials and other products. Our company has passed the ISO9001-2000 international quality system certification, so that the product quality is strictly controlled. The company has been committed to the hardware and building materials processing and manufacturing industry for many years, serving the society and customers with excellent industrial development concepts. Customize hardware according to customer needs, processing, distribution and sales of building materials. With high-quality products and first-class after-sales service, we have won the trust and support of customers all over the world.