Stringing Block Made in China 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.http://www.nanjingvolley.com/