Shanghai International Trading Co., Ltd. Blue John is the largest new and old container sales and container transportation companies, the main new container, old container, used containers, and special case modification activity rooms and other services. Major ports in the country have boxes for sale. Sale because the box production time has come to scrap the period of international standards and standards that do not meet the international transport of containers, shipping containers the company is not in use, but the box is better, absolutely no water leakage, air leakage, cracks, holes and other problems, and all trunk line IICL international container standards manufacturing, quality reliable, durable.