中国, 上海关闭 美国, 中环

翻转交叉
Importer
2022

Hair accessories and their classification

Hair accessories and their classification Hair accessories are various objects used to decorate the hair and head, collectively referred to as hair accessories. There are many types and different materials, but there is no complete classification of…

产业: 他人
寻找
公司
新評論
发送
Importer
2022

Material selection steps for food packaging

Material selection steps for food packaging: 1. Observe the color. First of all, don’t buy food with blurry printing on the outer packaging; rub the packaging bag with clear printing by hand, and don’t buy it if you find that it is easy to decolorize,…

产业: 他人
新評論
发送
Importer
2022

Identification method of plastic bags

Identification method of plastic bags In the production of edible fungi, plastic bags are often used for clinker cultivation or production of cultivated seeds. The following is the basis for selecting plastic bags and the general method for identifying…

产业: 他人
新評論
发送
Importer
2022

Classification of plastic bags

Classification of plastic bags Degradable and non-degradable. Both PE bags and nylon bags are plastic bags with different materials. PE bags are divided into high density and low density. High-density ones are tougher, have higher transparency, feel…

产业: 他人
新評論
发送
Importer
2022

The advantages of plastic bags

The advantages of plastic bags 1. Most plastics have strong corrosion resistance and do not react with acids and alkalis. 2. The plastic manufacturing cost is low. 3. Durable, waterproof and lightweight. 4. Easy to be molded into different shapes. 5.…

产业: 他人
新評論
发送