I have a telephone dedicated to selling umbrellas. It's a female boss, surnamed Xiao. The number is 073 1-22333088. She has been specializing in rain gear sales for more than ten years, and has been doing business in Nandamen, where there are umbrellas, raincoats and tents, and the goods are very complete. I have been getting goods from her, and I feel that the quality is not bad.
Boss Xiao, they are all factory outlets. Business is good and the location is easy to find. When you arrive at Nandamen Market, there is a "rural credit cooperative" under the golden characters at the main entrance of Nandamen Small Commodity Market. Standing in front of the cooperative, you can see an alley next to it. Alley 10 meter, there are many samples at the door. There is also a sightseeing elevator in Xingtong Commercial Building in that place, which is very easy.
It must be noted that there are two umbrella dealers in that place, not the one in Hutongkou, but the one with a larger facade below (there are three side-by-side facades belonging to her family). You can call her when you get to Nanmen Commodity Market.
The first time I bought an umbrella from her, I was recommended to buy it from her. I hope my answer can help you!