Shanghai Chengjunxiang Sealing Co., Ltd. Company founded 25 years ago in 1986. As a result, work and experience have become our most important skills. Currently, it employs more than 300 people and has an annual output of more than 1 billion yuan. This is ISO9001 Quality Assurance, ISO14001 Environmental Management Certification. All of the above makes my business more competitive. Build strong relationships with the best companies at home and abroad. The main current products are as follows. Three Story Container Home, 2020 Modular Homes, are container homes cheaper, Mobile Office Trailer, Prefab 1 Bedroom House, China 20FT Cheap Container House, Shipping Container Home Plans 4 Bedroom, Prefab Shipping Container Office, Modular Barndominium, tiny home steel frame