色呦呦网站在线观看,日韩有码国产高清中文字幕,一区二区综合亚洲欧美,无码专区 - AV福利社

Bamboo pulp


Bamboo pulp has a high thickness, high tearing strength, and low burst strength and tensile strength. Has a high mechanical strength.


Related Products

Copy right ? 2018 Wuxi Material Science Engineering Co., Ltd. Record number: Su ICP No. 18063596

Hotline

Mrs cheng
18094269893

WeChat 2D code