The application of DurkeeSox® duct system for industry of pharmaceutical logistics warehouse from the national enterprise to the local pharmacy enterprise, from listed company to the private enterprise, from pharmacy factory to logistic warehouse, DurkeeSox® duct system has become the duct system product with the highest level customer, biggest number of users and the most widely distributed area. In the three years of coming, DurkeeSox® duct system will replace the traditional metal duct system very soon and become the prior choice of medical logistic industry.