Shanghai enjoy Xin square tube plant as a cold-formed steel industry leader, enjoy Xin square tube plant has become a cold-formed steel class innovative R & D, Shanghai Baoshan production base. Enjoy Xin company has passed the European CE certification, ISO9001 quality management system certification, has established a perfect quality assurance system. Which produced 500 × 500 × 19mm large hollow sections to fill the gaps, and identified through the provincial scientific and technological achievements. Enjoy Xin Our main products: cold-formed square tube, cold-formed square and rectangular tube, square tube of large diameter, square and rectangular tubes of large diameter, cold-formed shaped tubes. Advanced technology, quality, reasonable price, is the best material of all kinds of machinery, structural steelwork. Welcome to, we wholeheartedly at your service. 
 Phone 021-608/20926