热RE99久久精品国产66热,日韩精品无码一区二区三区免费,国产午夜福利片,巨胸美乳无码人妻视频

Hello! Welcome to the official website of Dongguan Yihe Paper Products Co.,Ltd!

 Business Enquiry Hotline：0769-88968261
Chinese
/
English

Home
About Us 
- Company Profile
- Corporate culture
Products 
- Two and four layers of pit board
- Three-layer and five-layer cardboard
Application
Capability
News 
- Company News
- Industry dynamics
Contact Us

Construction and classification of pit paper

The basic structure of pit paper is a smooth sheet of kraft paper framed with a wavy sheet of paper (often called a core). In the past, kraft paper contained about 200 to 250 grams of a wood pulp that……

Construction and classification of pit paper

What are the steps of pit paper processing in detail?

Pit paper converting mainly refers to a series of treatment and processing of pit paper. Pit paper is a kind of cardboard material with pit structure, mainly used for packaging, filling and protecting……

What are the steps of pit paper processing in detail?

How to avoid moisture in corrugated cardboard

Corrugated cardboard is an adhesive for multi-layer paper structures. Because of the material, moisture has a great impact on the quality of the product, which will affect the carrying capacity and st……

How to avoid moisture in corrugated cardboard

What are the requirements for cartons made from food pit board?

In addition to safeguarding food safety, food pit cardboard is also an important means of safeguarding the color, aroma, taste and other sensory qualities of food. In the modern developed commercial f……

What are the requirements for cartons made from food pit board?

Hot Articles

Contact Us

Dongguan Yihe Paper Products Co,. Ltd.

Address:The fourth industrial area of Yangwu village,Dalingshan town,Dongguan city,China.

Contact:Mr. Li 13544778118

Tel:0769-88968261/0769-88968262

Fax:0769-88968263

Website::cdryhb.cn

E-mail:yihe@yihepp.com

Copyright ? 2023 Dongguan Yihe Paper Products Co. Ltd 粵ICP備2023121821號