silicon treasure technology polyurethane hot melt adhesive patented
latest news: recently, chengdu silicon treasure technology co., ltd. has obtained a patent: a polyurethane hot-melt adhesive for bonding polypropylene plastics and its preparation method, patent number: zl 2020 1 1532514.3. up to now, silicon treasure technology has a total of 277 authorized patents, including 3 american invention patents and 1 japanese invention patent. as…

