久久精品无码一区二区日韩 - 亚洲精品99久久久久久 - 性夜影院爽黄a爽免费看不卡 - 国产亚洲精品sese在线播放 - 中文字幕日韩专区下载

Jelly gum is a new kind of environmental protection adhesive, which is made from natural gelatin and is mainly made from industrial gelatin (an animal glue, namely hot sol). When using, the water is used as the solvent, and the SGS is detected safely. The utility model is nontoxic and harmless. Excellent adhesive properties, delicate fragrance, processed products will not be brittle, deformed, moldy, blistering and so on.

Jelly gum is a new kind of environmental protection adhesive, which is made from natural gelatin and is mainly made from industrial gelatin (an animal glue, namely hot sol). When using, the water is used as the solvent, and the SGS is detected safely. The utility model is nontoxic and harmless. Excellent adhesive properties, delicate fragrance, processed products will not be brittle, deformed, moldy, blistering and so on.

Jelly gum is a new kind of environmental protection adhesive, which is made from natural gelatin and is mainly made from industrial gelatin (an animal glue, namely hot sol). When using, the water is used as the solvent, and the SGS is detected safely. The utility model is nontoxic and harmless. Excellent adhesive properties, delicate fragrance, processed products will not be brittle, deformed, moldy, blistering and so on.

Jelly gum is a new kind of environmental protection adhesive, which is made from natural gelatin and is mainly made from industrial gelatin (an animal glue, namely hot sol). When using, the water is used as the solvent, and the SGS is detected safely. The utility model is nontoxic and harmless. Excellent adhesive properties, delicate fragrance, processed products will not be brittle, deformed, moldy, blistering and so on.