How to judge the quality of the metal wire hanger？

Quality is always is a eternal topic of each product, the grade of the reflected by the quality of its products, reflects the development direction and positioning, its product manufacturer to a certain extent, reflects its high and low prices. In hanger industry, metal wire hanger are prices vary considerably, product quality is different, so how to judge the quality of the metal wire hanger？
1. Metal wire hanger manufacturing difficulty, perhaps a small design changes, will cause several times more manufacturing difficulty and the production time, except, of course, the same style clothes hangers.
2. Metal wire hanger physical features. Whether from the material of metal clothes hangers, bearing capacity, acid and alkali resistance, oxidation resistance, etc. Raw material is iron wire hangers, or aluminum, or stainless steel, or what? Usually, stainless steel is better than iron, but the aluminum price is generally higher than the price of the stainless steel clothes rack, cost of raw materials is the most expensive, but said from bearing capacity, the stainless steel is the best.
3. The surface of the Metal wire hanger. Metal hanger whether smooth smooth coating, coating is uniform distribution, adsorption ability is strong; Metal hangers work is delicate, whether has the welding scar, metal hanger (hanger clip, hanger hook, etc.) of each part is welding, spot welding plating are in good condition, etc., are to some extent, reflects the quality.
4. The time characteristic of the Metal wire hanger, the hanger of length of service life. Most hangers factory production hangers and no warranty period, that is the life of the metal clothes hangers and insecure. General hangers factory can guarantee more than one year are in high-grade products, like the one hanger manufacturer factory upscale boutique hangers.