China Ladder Type Steel Cable Tray Nanjing Volley Metal Materials Co., Ltd Nanjing Volley Metal Material CO., LTD located in China's famous economy development zone,Yangtze river delta, located in jiangbei new district, the first state-level district in Jiangsu.It is a well-known supplier of electricity, metals, engineering and integration, the company has a huge network of product technical support team, as well as after-sales service team.For more than 30 countries and regions around the world providing quality products and supporting services. Our employees have more than ten years of production and sales experience in the field of electric power, engineering and metal manufacturing. We promise to provide you with the fastest reply, the best price and the best quality.The most perfect after-sales service. Nanjing Volly Metal Materials Co., LTD., hope to establish a long-term partnership with you, All together, hand in hand to win.China Ladder Type Steel Cable Tray website:http://www.nanjingvolley.com/ website2:http://www.njvolleymetal.com/