YuWang brand ¦Á-cyanoacrylate adhesive has received national invention patent and national invention prize twice.The product has more than ten types such as universal type,quick type,reinforcing type,thickening type,water resistance type and humid and heat resistance type,series products that meet various special sticking requirements can be provided to the customers. YuWang brand 502 instant adhesive is used for sticking various materials such as metal,wood,rubber,leather and glass and are widely used in multiple fields.