We are trying to produce the most suitable one for you. 100% domestic production. the hoops are made of metal material. it is painted with electrostatic oven paint. product dimensions are available in 20 cm diameter and 70 cm length. you can contact us for all kinds of technical support before and after sales. more than 100 stocks are offered to be sold at the campaign price. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.