SHANGHAI ZELI INTERNATIONAL TRADING CO., LTD is a manufacturer of sandwich panels with well-equipped testing equipment and strong technical force. We have set up the subsidiaries in shanghai , Shanghai Shengwei Steel Structure Co., Ltd . We have a number of the most advanced automatic production lines and CNC Steel Color Steel composite board equipment. Our company has been engaged in the business of sandwich panels and steel structure for over five years, specialized in the construction, design, manufacture and installation of steel structure buildings. After many years of development, our company has become a leader in this industry. Sandwich panels and steel structure are extensively used with a wide range, good quality, reasonable prices and stylish designs. Base on excellent quality and the best service, our products have been widely applied to industrial workshops and commercial buildings, wining customers' good reputation . We focused on the quality and service of our products. "As to the same products, we offer better price; as to same price, we provide better service" is our slogan. We are dedicated to making our customers satisfied. We always insist on the spirit of "faithful, Integrity, responsible for our clients". We are looking forward to cooperating with you for long-term business relationships and mutual benefit. Our aim is to make most reliable products for you.