All the world’s apparel manufacturers and retailers have joined the race to clothe China. While sportswear manufacturers such as Nike and Adidas have been around for a while, “fast fashion” retailers — such as Spain’s Zara, which has opened around 70 stores in the country in the last three years, and Denmark’s Best Seller, which retails through 3,000-plus stores in over 300 cities — are also expanding rapidly now.