国产 成 人 在线 综 合_无码日韩视频一区二区三区_国产综合色精品在线视频_(凹凸)最新毛片婷婷99精品视频_日本的香蕉黄色网站上!!!_免费一级真人片清高播放_亚洲欧洲国产综合_中文字幕亚洲区超碰_А√天堂资源地址中文在线_特黄特色的国产大片观看免费视频

Welcome toJiangmen Qiangwei packaging material Co., LtdOfficial website!
Popular keywords: Bottle cap film, food packaging bag, suction nozzle self-supporting bag...
Contact us

Tel: 137-2573-0509 (Mr. Tang)

Tel: 137-9886-2498 (Mr. Tang)

Address: self compiled 01 on the 2nd floor and self compiled 01 on the 3rd floor of huangziwei (2# workshop) of Xinsha village committee, muzhou Town, Xinhui District, Jiangmen City


Company dynamics
Your current location is:Home>>News>>Company dynamics
What kind of plastic is a food bag?
The plastics used in food packaging bags are made of multi-layer plastic films, including:1. Polyethylene (PE for short)......
2021-07-01
Introduction of several common bag shapes of food packaging bags
The three side sealing bag has two side seams and a top seam, and its bottom edge is composed of horizontally folded fil......
2021-07-01
Materials, characteristics and uses of composite bags of packaging materials
Paper plastic composite bag is made of plastic and kraft paper. Usually, the plastic layer adopts flat silk woven fabric......
2021-07-01
How can laymen quickly identify plastic packaging bags for food
1. Generally speaking, plastic bags with pungent smell use the recycled materials of waste plastics and contain a large ......
2021-07-01

Links: