Warning: file_put_contents(/www/wwwroot/ppbbu/3402.cn/cache/46aff00d582e5e8b41ff536de9637535.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/3402.cn/index.php on line 58 polyformaldehyde例句_polyformaldehyde英汉例句_polyformaldehyde双解例句_咖味滋双解词典
Our factory lies in Fushun, Liaoning Province.We focus on the production of Teflon and polyformaldehyde steel-backed compound materials. 本厂主要生产聚四氟乙烯钢背复合材料和聚甲醛钢背复合材料。